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2x+ky=7 and 4x-9y=4 find value of k if matrix of coefficients is singular
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2x+ky=7 and 4x-9y=4 find value of k if matrix of coefficients is singular
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Jun 3, 2017
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2x+ky=7 and 4x-9y=4 find value of k if matrix of coefficients is singular
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Quma
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Hello,
| 2 k|
|4 -9 |=6
==>2*(-9)-4*k=0
==>k=-9/2
MoonFruit
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Jun 7, 2017
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