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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2011
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Q)
The number of values of k for which the linear equations 4x + ky + 2z = 0; kx + 4y + z=0; 2x + 2y + z = 0 possess a non-zero solution is
( A ) zero
( B ) 1
( C ) 2
( D ) 3
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