Mark the tick against the correct answer in the following:
To find: Value of
We have,
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Applying
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Applying
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Taking 4 common from R1
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Applying
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Taking -2 common from R1
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Applying
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Applying
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Taking 9 common from R1
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Expanding along R1
⇒ -8 [1[(3)(43)-(16)(0)] – 0 [(4)(43)-(0)(0)] - 2 [(4)(16)-(3)(0)]]
⇒ -8 [[(129)-(0)] - 2 [(64)-(0)]]
⇒ -8 [129 – 128]
⇒ -8