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maths_mocktest1_12
+1
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calculus
asked
Feb 4, 2015
in
Calculus
by
Vikrant Singh

510
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answer
comment
+2
put y= √3 tanϴ and then the problem reduces to the integration of secϴ and afterwards everything is simple.
0
After that things aren't simple :P
0
I did the integration but it was lengthy  that is why I did not put it here.
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f(x)= x.g(x)
find f'(x) which is g(x) + x*g'(x)
d/dx {integral 'a' to 'b' Z(x)dx}= Z(a)* d/dx(a) Z(b)*d/dx(b)
where a and b are upper and lower limit respectively..
g'(x) is nothing but f(x^2)* d/dx(x^2) f(1)*d/dx(1)..
answered
Apr 19, 2015
by
Digvijay Pandey
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I'm getting
$2 \sqrt{5}$ . What's the correct answer?
answered
Aug 6, 2015
by
Salman
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