Evaluate the determinant of the matrix by a cofactor expansion along the first row. -1 1 A = 9 0-9 1 7 act number, no tolerance.

Q: $791,000

A: answer is in next step

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A: On solving this we will get :- Option (A) is correct

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A: Let's find.

Q: 2647+44=

A: Given problem:- 2647+44=

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Q: 4 52 -50-1 [D] = -2 6 1 [B] 27-6 -4-3-5 -104 6 [D] + [B] =

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Q: What is the inverse function of f(x) = 2 + Vx-1? O (x+2) - 1 O (x-2) +1 O (x- 1)2 +2 O (x+ 1)? - 2

A: f(x) = 2+x-1let y = f(x)so , x= f-1(y)Now, y=2+x-1y-2=x-1squaring  O.B.S(y-2)2=(x-1)2 (y-2)2 =x-1

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Q: x-3 х -16 х — 4х х +х-12 x* + х-12

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Q: Compute the determinant of the matrix by cofactor expansion. T-5 3 -3 57 0 -1 2 -2 3 0 -3 1 4 Select…

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