Most Satisfying Way to Learn Sum of n Odd Numbers I Visual Proof I Math Wali Class #numbersystem

x² = 4 VS x = √16, Value of x ?

Q) Show that a function f: R → R defined by f(x) = 2𝑥/(1+𝑥^2 ) is neither one-one nor onto.

Quick Math - The 7 Times Tables | Learn to Count for Kids | Number Cartoon | Numberblocks

Q) Check whether :Z×Z→Z×Z (where Z is the set of integers) defined as f(𝑥,y)=(2y,3𝑥) is injective

Negative Remainder Trick: Solve Huge Powers Easily IRemainder Theorem I Math Wali Class #mathtricks

Efficient way to use AC 🥶

新築のはずのトイレを汚した犯人がいるらしい… | wrong house intruder