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

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

Q) Show that a function 𝑓:𝑅_+→𝐴⊂𝑁, defined as 𝑓(𝑥)=4𝑥^2+12𝑥+15 is one-one. Find gset 𝐴

The Simplest Method to Solve Factorial I Math Wali Class #mathtricks #shorts #factorial

🔥 Number System Divisibility Trick | Find Missing Digits in Seconds | Lakshmi Mam Best Shortcut #yt

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