If A- 0 amp-2- 3 amp-4 - kA- 0 amp-3a- 2b amp-24 -then the values of k- a- b respectively are - - -6- -12- -16-6- 4- -9-6- -4- -9-6- 12- 18-

The correct option is C 6, 4, 9 A=[ 0 amp;2; 3 amp; 4 ], kA=[ 0 amp;3a; 2b amp;24 ] 4 = 24/k k = 24/ 4 = 6 3a/k = 2 3a/ 6 = 2 a = 4 2 ...

If A=[ 0...

Question

If $A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]$ , $k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]$ ,then the values of k, a, b respectively are ______ .

-6, -12, -16

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-6, 4, -9

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-6, -4, -9

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-6, 12, 18

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Solution

The correct option is C
-6, -4, -9

$A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]$ , $k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]$

-4 = $\frac{24}{k}$

k = $\frac{24}{- 4}$ = -6

$\frac{3 a}{k} = 2$

$\frac{3 a}{- 6} = 2$

a = -4

$\frac{2 b}{k} = 3$

$\frac{2 b}{- 6} = 3$

b = -9

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Similar questions

Q. If

A = [\begin{matrix} 0 & 2 \\ 3 & - 4 \end{matrix}]

and

k A = [\begin{matrix} 0 & 3 a \\ 2 b & 24 \end{matrix}]

, then the values of k, a, b, are respectively
(a) −6, −12, −18
(b) −6, 4, 9
(c) −6, −4, −9
(d) −6, 12, 18

Q. If

A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]

and

k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]

, then the values of k, a, b are respectively.

Q. If

A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]

and

k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]

, then the value of

k, a, b

, are respectively.

Q. If

A = \"[\"\begin{matrix} 0 & 2 \\ 3 & - 4 \end{matrix}\"]\"

and

k A = \"[\"\begin{matrix} 0 & 3 a \\ 2 b & 24 \end{matrix}\"]\"

, then the values of k, a, b, are respectively
(a) −6, −12, −18
(b) −6, 4, 9
(c) −6, −4, −9
(d) −6, 12, 18

If $A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]$ , $k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]$ ,then the values of k, a, b respectively are ______ .

If A=[023−4], kA=[03a2b24],then the values of k, a, b respectively are ______ .

The correct option is C -6, -4, -9 A=[023−4], kA=[03a2b24] -4 = 24k k = 24−4 = -6 3ak=2 3a−6=2 a = -4 2bk=3 2b−6=3 b = -9

If $A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]$ , $k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]$ ,then the values of k, a, b respectively are ______ .

The correct option is C
-6, -4, -9

$A = [\begin{matrix} 0 & 2 3 & - 4 \end{matrix}]$ , $k A = [\begin{matrix} 0 & 3 a 2 b & 24 \end{matrix}]$

-4 = $\frac{24}{k}$

k = $\frac{24}{- 4}$ = -6

$\frac{3 a}{k} = 2$

$\frac{3 a}{- 6} = 2$

a = -4

$\frac{2 b}{k} = 3$

$\frac{2 b}{- 6} = 3$

b = -9