Question

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Answer 1

• Hii !!

Solution:-

f(X)= 1 + x + x² + x³ + .......+ x^50

d(fx)/dx = 0 + 1 + 2x + 3x + 4x ..........+50x

d(f(x)/dx = 1 + 2 + 3 + ...........50

• This in A. P so using formula of sum of nth term of A.P

Tn = n(n+1)/2

=> 50 (51)/2 = 25*51

=> 1275 Answer

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Hope it helps you !!!

@Rajukumar111

Answer 2

How..are...u... ..

Remembered.. me.. .?? ..or..Not.. ??