Compute the following integrals. a.) b.) C C sin(z) z2 - 4 ez dz, C={z2| = 5} z²+2z-8 dz, C = {2|2|3} =

Let A=[aij]23 where aij=i+j, and let B=[bij]34 where bij=2ij. If AB=[cij]24, write a formula for cij in terms of i and j.

5. Prove that the equation has no solution in an ordered integral domain.