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Find f. f'(x) = 20x³ + 1/x, x>0, f(1) = 9 f(x) = ____

Find f. f'(x) = 20x³ + 1/x, x>0, f(1) = 9 f(x) = ____
asked 32.5k views
1 vote
Find f.
f'(x) = 20x³ + 1/x, x>0, f(1) = 9
f(x) = ____

asked
User Suvekshya
by
8.2k points

1 Answer

1 vote

Explanation:

f'(x) = 20x³ + 1/x

integrate it, u get

f(x)=5x⁴+ln|x|+c

f(1)==5(1)⁴+ln|1|

=5

answered
User Datta
by
7.8k points
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