Let (x+10)^50 + (x-10)^50 = a_0 + a_1x + a_2x^2 + … + a_50x^50 for all x ∈ R; then a_2/a_0 is equal to

Let (x+10)^50 + (x-10)^50 = a_0 + a_1x + a_2x^2 + … +… — JEE Main 2019 Mathematics PYQ

JEE Main 2019 · 11 Jan · Shift II

Let

(x+10)^{50} + (x-10)^{50} = a_0 + a_1x + a_2x^2 + \ldots + a_{50}x^{50}

for all

x \in R

; then

\frac{a_2}{a_0}

is equal to

Show answer

Correct option: A

[JEE Main 2019 · 11 Jan · Shift II]

Practise Binomial Theorem the way it is asked

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