solve it solve it solve it solve it
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Step-by-step explanation:
Solution--->
1) plzzz refer the attachment
2) We use some formulee
a) d / dx ( Sinx ) = Cosx
b) d / dx ( x ) = 1
c) ∫ xⁿ dx = xⁿ⁺¹ / ( n + 1 ) + c
3) We solve this intregation by the method of substitution for this we suppose Sin2t as u because its differentiation Cos2t present in the inegration.
4) Then we find limits corresponding to u by putting t = 0 and t= π / 4 in Sin2t = u and get lower limit as 0 and upper limit as 1 .
5) Then we integrate u³ between limits 0 to 1 and find the answer.
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