Q7 of 256 Page 7

Evaluate the following:


Applying, C1→C1 + C2 + C3, we get,




Applying, R2→R2 – R1, R3→R3 – R1, we get,



= (2 + x)(x – 1)2


So, Δ = (2 + x)(x – 1)2


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