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2024

Why does r=cos(theta) and r=sin(theta) represent a circle of radius 1/2 ?original ↗
19 Feb 2024
How to think about finding distance between two parallel planes ?original ↗
18 Feb 2024
Calculating the mass of a variable density wire using line integraloriginal ↗
18 Feb 2024
Length of helix defined by vector functionoriginal ↗
18 Feb 2024
Thinking of line vs line segmentoriginal ↗
18 Feb 2024
Thinking about formula for distance between point and a planeoriginal ↗
18 Feb 2024
IB SL Question 3, Box plot, Regression Line and Meanoriginal ↗
18 Feb 2024
IB SL AA Friday May 06 2022 Complete detailed Solutionsoriginal ↗
18 Feb 2024
IB HL Kinematics, Richard helicopteroriginal ↗
18 Feb 2024
IB HL Calculus (Kinematics)original ↗
18 Feb 2024
IB HL Complex Number, argument and locusoriginal ↗
18 Feb 2024
Crawling the 3 dimensional gridoriginal ↗
17 Feb 2024
Pascal Contest 2016 Question 21 (Squirrel walking along the grid lines on 3 faces)original ↗
17 Feb 2024
Equation of Tangent Plane to function sin(xy)original ↗
17 Feb 2024
Linearization using Tangent Planeoriginal ↗
17 Feb 2024
Pascal Contest 2022 Question 24 on Pretti Numberoriginal ↗
15 Feb 2024
Pascal Contest 2022 Question 10 on rearranging numbersoriginal ↗
15 Feb 2024
Pascal Contest 2023 Question 18 on Trianglesoriginal ↗
15 Feb 2024
Pascal Contest 2022 Question 22original ↗
7 Feb 2024
Pascal Contest 2022 Question 23original ↗
7 Feb 2024
Prove for every natural number x there exists another natural number y such that x/y is not a natural numberoriginal ↗
2 Feb 2024
A graph is connected if minimum degree of each vertex is n-1original ↗
28 Jan 2024
IB HL express z +1 in polar formoriginal ↗
28 Jan 2024
AMC 8 2017 Problem 8 on largest power of 5 as factororiginal ↗
28 Jan 2024
AMC 2017 Problem 20 on probability of 4 digit odd numbers with distinct digitsoriginal ↗
28 Jan 2024
AMC 2017 Problem 16 area of triangle obtained by dividing a right triangle into two triangles of equal perimeteroriginal ↗
28 Jan 2024
Why we have even number of odd Vertices?original ↗
28 Jan 2024
Why dot product a.b is defined as |a||b| cos(theta) ?original ↗
26 Jan 2024
Magic Square 4 X 4original ↗
24 Jan 2024
Magic Square 3 X 3 and 5 X 5original ↗
24 Jan 2024
IB HL Paper 3 Complex roots of infinity and the product of their distance from root 1 is always noriginal ↗
21 Jan 2024
AMC 8 2016 Problem 21original ↗
14 Jan 2024
AMC 2016 Problem 15original ↗
14 Jan 2024
Applying Prim’s algorithm on a weighted graph to find a minimum spanning treeoriginal ↗
13 Jan 2024
AMC 8 2015 Problem 25original ↗
8 Jan 2024
Graph of arccos(x)original ↗
8 Jan 2024
Graph of arcsin(x)original ↗
8 Jan 2024

2023

Find the area of the white Trapezoidoriginal ↗
21 Dec 2023
Find curve equation when area between parabolas are equaloriginal ↗
13 Dec 2023
Rate of change of height in water troughoriginal ↗
13 Dec 2023
Washer Vs Cylinder (same volume)original ↗
12 Dec 2023
AMC 8 2011 Problem 24 on sum of primesoriginal ↗
9 Dec 2023
AMC 8 2011 Problem 22original ↗
9 Dec 2023
Observing painting problem optimizing tan angleoriginal ↗
9 Dec 2023
A related rate problem on unit circleoriginal ↗
9 Dec 2023
Proving the relation R on the set of ordered pairs ((a,b),(c,d)) whenever a+d=b+c is equivalenceoriginal ↗
9 Dec 2023
AMC 8 2008 Problem 25original ↗
29 Nov 2023
AMC 8 2007 Problem 23 Shaded regionoriginal ↗
29 Nov 2023
AMC 8 2007 Problem 25original ↗
29 Nov 2023
Surface area of the rotating solid (parametric equation)original ↗
29 Nov 2023
Area of the Astroid x=a*cos^3(x), y=a*sin^3(x), Parametric Coordinatesoriginal ↗
29 Nov 2023
Area under Parametric Curveoriginal ↗
29 Nov 2023
Parametric curve and concavityoriginal ↗
29 Nov 2023
Matching Parametric Curves and their equationsoriginal ↗
29 Nov 2023
Matching polar equations with graphoriginal ↗
29 Nov 2023
IB SL Problem of common tangent between a parabola and an exponential functionoriginal ↗
7 Nov 2023
IB Math Time to nearest distance between shipsoriginal ↗
7 Nov 2023
AMC 2005 Problem 25original ↗
4 Nov 2023
Leibniz vs Substitution methodoriginal ↗
29 Oct 2023
Radius of convergence of series (n!)^k/(kn)!x^noriginal ↗
25 Oct 2023
AMC 8, 2004, Problem 24, Length of perpendicular inside a parallelogramoriginal ↗
23 Oct 2023
AMC 8, 2004, Problem 25 Overlapping squares minus circleoriginal ↗
23 Oct 2023
Area between 3 circles (twitter problem posted by Daniel Mentrard)original ↗
21 Oct 2023
Remainder of alternating series is a_(n+1)original ↗
19 Oct 2023
Linear Approximation (Single variable calculus)original ↗
19 Oct 2023
Real Analysis: Proof why (anbn) converges to ab if (an) converges to a and (bn) converges to boriginal ↗
19 Oct 2023
Same volume of rotation about x and y axis for a concave down parabolaoriginal ↗
17 Oct 2023
Volume of a triangular pyramid or tetrahedronoriginal ↗
17 Oct 2023
Thinking about Newton’s law of coolingoriginal ↗
17 Oct 2023
Maclaurin series and approximating sqrt(15)original ↗
16 Oct 2023
Related rate problem of distance between ships moving in opposite directionsoriginal ↗
16 Oct 2023
Effective rate of interest and how to calculate it ?original ↗
16 Oct 2023
IB HL Optimizationoriginal ↗
15 Oct 2023
How to integrate 1/(1+x^4)original ↗
15 Oct 2023
IB HL integral of x*sec^2(x), by partsoriginal ↗
15 Oct 2023
Max Volume of a closed boxoriginal ↗
14 Oct 2023
IB SL Analysis and Approaches Paper 1 October 31st 2022 Complete and detail Solutionsoriginal ↗
14 Oct 2023
IB HL (2n)! >= 2^n(n!)^2 (Mathematical Induction)original ↗
13 Oct 2023
IB HL question on fish in lake (detail solution)original ↗
13 Oct 2023
SAT Digital Questions Practiceoriginal ↗
1 Oct 2023
Edexcel January 2022 Problem 26 detailed solutionoriginal ↗
1 Oct 2023
All four ailmentsoriginal ↗
29 Sept 2023
Definite Integral x^2e^xoriginal ↗
29 Sept 2023
SOFD (form, outlier, strength and direction)original ↗
28 Sept 2023
Explanatory vs Response Variableoriginal ↗
28 Sept 2023
Passing Streetcarsoriginal ↗
28 Sept 2023
IB HL Statistics question on continuous random variableoriginal ↗
26 Sept 2023
IB HL Solving for complex numbersoriginal ↗
26 Sept 2023
Some common change of base log questions in Precalculusoriginal ↗
26 Sept 2023
AP Statistics: Using 5 point summary to determine if its a normal distributionoriginal ↗
26 Sept 2023
AP Statistics Dot plot, percentile and z scoreoriginal ↗
26 Sept 2023
Fun SAT Problem on Soda, Chips and Cheesecakesoriginal ↗
25 Sept 2023
AoPS: Range of a horizontally scaled and vertically shifted functionoriginal ↗
25 Sept 2023
AoPS Domain of nested square root functionoriginal ↗
25 Sept 2023
AoPS: Possible upper range of product of two functionsoriginal ↗
25 Sept 2023
Old man and his sonoriginal ↗
25 Sept 2023
Proof: No Integral roots for a quadratic trinomial with all odd coefficientsoriginal ↗
25 Sept 2023
AP Calculus, Calculus 1 Absolute Value and sided limitoriginal ↗
25 Sept 2023
Calculus 2: True False (Partial Fraction) and Divergence of Integraloriginal ↗
25 Sept 2023
Calculus 2: Improper Integral convergenceoriginal ↗
25 Sept 2023
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