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The number of values of k for which the linear equations possess a non-zero solution is
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Correct option is D
The condition for a homogeneous system of equations to have a non-zero solution is Δ=0⇒4k2k41221=0⇒4[2]−k[k−2]+2[2k−8]=0⇒8−k2+2k+4k−16=0⇒k2−6k+8=0 ⇒k=2,4Similar Questions
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