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If Delta(1)=|[a,b, c],[x, y, z],[p,q ,r]...

If `Delta_(1)=|[a,b, c],[x, y, z],[p,q ,r]|"and "Delta_(2) |[q,-b, y],[-p, a, -x],[r,-c ,z]|` then without expanding `Delta_(1) " and "Delta_(2), "prove that "Delta_(1) + Delta_(2) =0`

Text Solution

Verified by Experts

The correct Answer is:
`D_2=-D_1 or, D_1_D_2=0`
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