Class 12 Mathematics Sample Paper With Solutions Set A
PART – ASection – I 1. If the matrix A = is singular, then find x.Answer : Given that matrix A is singular ⇒ |A| = 0 ⇒ 1(–6 – 2) + 2(–3 – x) + 3(2 – 2x) = 0⇒ –8 – 6 – 2x + 6 – 6x = 0⇒ –8x – 8 = […]
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