3 years ago

What is the answer to this following question 11(a+6)

Mathematics

2 answers:

Ipatiy [6.2K]3 years ago

7 0

11a+66 hope this helped

r-ruslan [8.4K]3 years ago

5 0

11(a+6) = 11(a)+11(6) = 11a+66

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Now, the determinant of this matrix is:

$\begin{vmatrix}-1 &2 & 1\\ 0& 1 & 1\\ -1 & 2 & x\end{vmatrix}=-1(x-2)-2(1)+1\\\\\\\begin{vmatrix}-1 &2 & 1\\ 0& 1 & 1\\ -1 & 2 & x\end{vmatrix}=-x+2-2+1\\\\\\\begin{vmatrix}-1 &2 & 1\\ 0& 1 & 1\\ -1 & 2 & x\end{vmatrix}=-x+1$

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