i. ii. iii. i. § 2x(x² +1)⁹⁹ dx ii. 1 6x cos(x²) dx, (x²+2x)5 (4x³ + 2)dx sin (6x) cos(6x) -dx, = x² U=X U= cos(6x) 4 [²√³+11dr, u=2²³ +11 c) Evaluate the indefinite integrals by selection an appropriate substitution. Remember to change the bounds for definite integrals! t² iii. S (t+1)5 iv. 4 (1+4/¹)² dx NF dt

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A: A detailed solution is given below.

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A: Please see the below picture for detailed solution.

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A: This question can be solved using the concept of differentiation of implicit and explicit function

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