a b LA-[88]. Let A = c d and let k be a scalar. Find a formula that relates det(KA) to k and det(A). Find det(A). det(A) = (Simplify your answer.)

Q: 6. Are the following expressions meaningful? Answer yes or no next to it. a. axb.c b. a. bxc I c. dx…

A: Given that  a→×b→.c→a→.b→×c→d×a→To determine the expressions are meaningful or not

Q: Use​ Cramer's rule to solve for y.  5x+4y+5z 2x+3y-3x=25 2x-5y-22=-17

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Q: Evaluate the given complex function f at the indicated point: *-2i f(z)=r+icos2(θ

A: Given complex number is -2i comparing with a+bi  we get  a=0, b=-2 find the modulus r given by…

Q: Evaluate:   φ (-9π)     (–1, 0)     (1, 0)     (0, –1)     (0, 1)

A:

Q: 12+4x +3= 0 New root.s ニ Sum t. product Simpity SOR POR using (*i t B) こ

A:

Q: 3) (e ²²-1-2²) Sin³z

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Q: 4 Jxdx = 1

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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: Calculate the value of (1 + 2i)- and then use this value to find the roots of z - z + (1 - i) = 0.…

A: Expand to obtain the square of the given term and use quadratic formula to obtain the roots.

Q: Calculate the value of (1+ 2i)? and then use this value to find the roots of z2 – z + (1 – i) = 0.

A: