1. I = 4Vx+ 9 dx, x = 4, I = 3 2. I = :/ x = 1, I = 4 (5x*+8x³+9x² +2)dx,

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Q: (b) Prove by Induction that (3i – 1)(3i +2) = 3n +6n2 +n for n21 i=1

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Q: (d) Ralston's method.

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A: Solution :-