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Q.

The linear equations x2y+3z=1,  x+y2z=k,  x3y+4z=1  has 

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a

no solution for k   3 

b

Infinitely may solutions for k 

c

unique solution of k = 3

d

no solution for k = 3

answer is B.

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Detailed Solution

[123134112  11k]~[12301101112k1]~[12301100012​​​  ​k3]

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