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If the equation a (y+z) = x, b (z+x) =y ...

If the equation a `(y+z) = x, b (z+x) =y and c (x+y) = z,` where `a ne -1, be ne -1 , c ne - 1 ` , admit of non - trivial solutions , then :
`(1+a)^(-1) + (1+b)^(-1) +(1+c)^(-1)` is

A

2

B

1

C

`1/2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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MODERN PUBLICATION-DETERMINANTS -Multiple Choice Questions - LEVEL - II
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  18. If a^2+b^2+c^2=-2 and f(x)=|(1+a^2x,(1+b^2)x,(1+c^2)x),((1+a^2)x,1+b^2...

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