Simplify each rational expression. State any restrictions on the variable. 24. z²-22-24 2 x²+7x+12 1-6 -1

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Q: Find the rank of the following matrices.

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Q: Let Then where a11 = , a31 = , a12 = -1/9 , a32 = 1/9 1 +-679 A = 1 1 A-¹ = , a13 = 0 a11 a12 a13…

A: a11​=11782​ a12​=117−28​ a13​=11763​ a21​=1175​ a22​=117−4​ a23​=117−9​ a31​=117−13​ a32​=11713​…

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Q: Find an eigenvector of A corresponding to landa = 5. Find a second eigenvalue of A.

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Q: f (x) = x3+ kx+3 and x+3 is a factor of f(x) then what is the value of k

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