Evaluate the integrals in Exercises 1. dx 3 dx 2. Зх — 2 х 2y dy 8r dr 3. y² – 25 4. 4r2 – 5 sec y tan y 6. 3 sec? t dt 6 + 3 tant 5. -dy 2 + secy dx sec x dx 7. 2Vx + 2x 8. VIn (secx + tan x) - In3 o(x+1) dx e* dx 9. 10. In2 (In x)³ dx 2x In (In x) dx x In x 11. 12. In9 Sum ex/2 dx tan x In (cos x) dx 13. 14. In4 -Vr -dr Vr ‚Vī cdr 15. 16. In x dx 17. /21 e* dt 18. XVIN? x + 1

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A: We can find the integral as below.

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A: The objective is to evaluate the integration

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A: Given : ∫1+cos3xdx

Q: 故(x3+5) ex A al d Iny d in5x

A: According to our guidelines we can answer only three subparts, or first question and rest can be…