Question

If A = $\left [ \begin{array}{c c c} -2 & 0 \\ \\ 0 & 3 \\ \\ \end {array} \right] and f(x) =2x^2 -3x then f(a\ \textless \ br /\ \textgreater \ A) =$

a)$\left [ \begin{array}{c c c} 14 & 1 \\ \\ 0 & -9 \\ \\ \end {array} \right]$

b)$\left [ \begin{array}{c c c} -14 & 1 \\ \\ 0 & 9 \\ \\ \end {array} \right]$

c)$\left [ \begin{array}{c c c} 14 & 1 \\ \\ 0 & 9 \\ \\ \end {array} \right]$

d) $\left [ \begin{array}{c c c} -14 & -1 \\ \\ 0 & -9 \\ \\ \end {array} \right]$​

Answer 1

$<marquee> ☺ ❤ Hey Sahil bhai❤ ☺ </marquee>$

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$\huge\underline\mathcal\red{QueStion}$

$If\: A = \left [ \begin{array}{c c c} - & 1 \\ \\ 0 & 9 \\ \\ \end {array} \right]and\: f(x) = 2x^2 -3x\: then\: f(A) =$

a) $\left [ \begin{array}{c c c} 14 & 1 \\ \\ 0 & -9 \\ \\ \end {array} \right]$

b) $\left [ \begin{array}{c c c} -14 & 1 \\ \\ 0 & 9 \\ \\ \end {array} \right]$

c) $\left [ \begin{array}{c c c} 14 & 1 \\ \\ 0 & 9 \\ \\ \end {array} \right]$

d)$\left [ \begin{array}{c c c} -14 & -1 \\ \\ 0 & -9 \\ \\ \end {array} \right]$

$\huge\underline\mathfrak\red{Answer!!!!!}$

Refer to the attachment bruh !!

thanks ♥️

Answer 2

please see the attachment ........