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the set of equations lambdax-y+(cos the...

the set of equations `lambdax-y+(cos theta) z=0,3x+y+2z=0`
`(cos theta) x+y+2z=0` ,`0 le theta lt 2 pi` has non-trivial solution (s)

A

for no value of `lambda` and `theta`

B

for all value of `lambda` and `theta`

C

for all values of `lambda` and only two value of `theta `

D

For only one value of `lambda` and all values of `theta`

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The correct Answer is:
A
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