Expanding Binomial Expressions 🥶 PART 1

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A large scale version of a beautiful demo!

Q) Show that the function 𝑓:𝑅→𝑅 defined by 𝑓(𝑥)=4𝑥^3−5,∀𝑥∈𝑅 is one-one and onto

Q) Consider the quadratic equation (n^2−2n+2) x^2−3x+(n^2−2n+2)^2=0, n∈R. Let 𝛼 be the minimum