How do I find the indefinite integral (calculus) for:
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OpenStudy (anonymous):
(attached).
OpenStudy (anonymous):
sample problem:
OpenStudy (anonymous):
don't be hoodwinked by the \(\sqrt{3x}\) this is the same as \(\sqrt{3}\sqrt{x}\)so start with
\[\frac{2}{\sqrt{3}}\int\frac{dx}{\sqrt{x}}\]and use the power rule backwards
OpenStudy (anonymous):
ok i did not read carefully enough but it is the same idea. start with
\[\frac{2}{\sqrt[3]{3}}\int\frac{dx}{\sqrt[3]{x}}\]
OpenStudy (anonymous):
or if you prefer
\[\frac{2}{\sqrt[3]{3}}\int x^{-\frac{1}{3}}dx\]
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OpenStudy (anonymous):
is the answer (3x)^2/3
OpenStudy (anonymous):
How?
OpenStudy (anonymous):
is it correct or not ??
OpenStudy (anonymous):
I don't know. I haven't been given an answer to check myself.
OpenStudy (anonymous):
u can do this question by substitution :
let 3x = y^3
differentiating both side wrt x
we have dx=y^2dy
got it!
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OpenStudy (anonymous):
then substituting the value of dx in original integral we have
|dw:1341688008235:dw|