Question

If f(x) = 1 + x + x^2+.............+x^100 then f '(1) is?
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Answer 1

Answer:

5050

Step-by-step explanation:

f'(X)=1+2x+3x^2+ ...........+100x^99

f'(1)= 1+2+3+4+......100

= 100*101/2

=5050

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