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Using properties of determinants, prove that :
`|{:(a^(2)+1,ab,ac),(ba,b^(2)+1,bc),(ca,cb,c^(2)+1):}|=a^(2)+b^(2)+c^(2)+1`

A

`1+a^(2)+b^(2)+c^(2)`

B

`a^(2)+b^(2)+c^(2)`

C

`(a+b+c)^(2)`

D

none of these

Text Solution

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The correct Answer is:
A
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RESONANCE ENGLISH-MATRICES & DETERMINANT-EXERCISE-2
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  15. If Delta1=|[2a,b,e],[2d,e,f],[4x,2y,2z]|,Delta2=|[f,2d,e],[2z,4x,2y],[...

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