(5) Using Pascal's triangle, find the fourth term in the binomial expansion of: (2x-3y²)7

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Q: 8. Give a counterexample to the claim of problem 7 when unique factorisation fails in Z[a].

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Q: Complex Numbers Simplify (cos 50-sin 50)²(cos 70+i sin 70)-3 (cos 40-i sin 40) (cos 0+i sin 0)5

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Q: Also, it is in the first octant, isn't it the bounds of theta should be 0 and π/2

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Q: II. ROOT FINDING METHOD - Find the root of e-²x - e-x-2.

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Q: Please show work. This is my calculus 3 hw.

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