Given the matrix A = -2e³t sin(8t) 2e5t cos(8t) 6e³t cos(8t) 6e5t sin(8t)] find A-¹. Express your answer as simply as possible. (Hint: use the 2 x 2 matrix inverse

Q: b) Heron's Formula Area = √5(5-a)(s-b)(s-c), where s = 1/(a+b+c) prove using the following steps.

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Q: Find the cofactor of the element a13- -2 -1 0 5 4 2 3 5 O A. 3 О В. 19 ОС. -3 O D. 14 3.

A: Given a square matrix, the cofactor of aij is denoted by Aij=(−1) ^(i+j)M where Mij s the minor of…

Q: for z=1+5i and w=3+i, find z/w Write the result a+bi

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Q: 3 Find ALL solutions of cos 2x = 2 %3D

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Q: If A = -4 + 2i and B = 3 – 5i, in which quadrant does A + 2B lie?

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Q: 4. If ā= 3i - 2j and b=-5i- j, express 3 a -b in terms of i and j.

A: This is a vector problem

Q: Assume Z₁ = 2-i and Z₂ = 1 + 3i. Find the product and quotient of z1 and 22. Z1Z2 = Z₁/Z2 = + +

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Q: In a +bi form, find all values of (3i). Which is the principal value of (3i)i?

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