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Homework Statement
Evaluate
integral dx/sqrt(12x^2)
Homework Equations
The Attempt at a Solution
My Answer: cos^(1)(sqrt(2)x)/sqrt(2) + c
See my work in attachment
Wolfram Alpha Answer: (sin^(1)(sqrt(2) x))/sqrt(2)+constant
http://www.wolframalpha.com/input/?i=integral+dx%2Fsqrt%2812x^2%29
MATLAB Answer:
Code:
>> syms x
>> int(1/sqrt(12*x^2))
ans =
(2^(1/2)*asin(2^(1/2)*x))/2
Thanks in advance!
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