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Question

∣ ∣ ∣ ∣4x6X+28X+16X9X+312X8X12X16X+2∣ ∣ ∣ ∣ = 0, then x is equal to

A
X = 0
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B
X = -11
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C
x = 97
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D
X = -1197
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Solution

The correct option is A X = 0
2∣ ∣4x6x+28x+16x9x+312x4x6x8x+1∣ ∣ R1R1R32∣ ∣0206x9x+312x4x6x8x+1∣ ∣
Expanding along R1:- 2(2)(48x+6x48x)=0
6x=0
x=0
(A).

1167269_1245859_ans_563cca9a00934530802b89a8e302b03d.jpg

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