Question

if f(x)=1+x+X2+X3 find f'(1)
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Answer 1

Answer:

1+1+1×2+1×3

1+1+2+3

7

Step-by-step explanation:

hope it helps you

Answer 2

Answer:

First Finding f'(x) using basic differentiation.

$\red\implies$$f'(x) = 1+ 2x+ 3x^2$

$\red\implies$$f'(1) = 1 + 2×(1) +3× (1)^2$

$\red\implies$$f'(1) = 1 + 2 +3×1$

$\red\implies$$f'(1) = 1 + 2 +3$

$\red\implies$$f'(1) = 6$