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We have to find the diffrention of given q.no.12 as given in attached image. I need an answer now.Please solve it as soon as possible

We have to find the diffrention of given q.no.12 as given in attached image. I need an answer now.Please solve it as soon as possible

Question Image
Grade:11

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
Given f(√π/2)= √(1+1/2)=√3/√2
 
Now , squaring both sides we get ,
          , f(x)^2= 1+Cos^2 x^2
 
             Dwr to x
           2f(x).f'(x)= -2Cos x^2 Sin x^2 .2x
            Putting value of x in place we get
            √3/√2 x f'(x) = -2 x(1/√2)x(1/√2)x √π/2
              So, value of f'(x) is. -√π/√6.
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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