Posted by MILY on Tuesday, April 17, 2012 at 2:36pm.
the fundamental theorem of calculus,
f(x)=∫(0,x) t^3+2t^2+ 2 dt,
and find f"(x).
my answer was:
it said its wrong. i don't know how solve with interval, ∫(0,x)
COLLEGE CALCULUS. HELP! - Reiny, Tuesday, April 17, 2012 at 3:25pm
I must admit I have never seen that notation before
is this ∫ (t^3 + 2t^2 + 2) dt from 0 to x ??
= (1/4)t^4 + (2/3)t^3 + 2t | from 0 to x
= (1/4)x^4 + (2/3)x^3 + 2x
so f(x) = (1/4)x^4 + (2/3)x^3 + 2x
f'(x) = x^3 + 2x^2 + 2 ---- as expected, the original
f''(x) = 3x^2 + 4x
COLLEGE CALCULUS. HELP! - MILY, Tuesday, April 17, 2012 at 4:10pm
yea it is ∫ (t^3 + 2t^2 + 2) dt from 0 to x. thanks for ur help
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