Question

Please solve this its very urgent its from determinant

Answer 1

Let

The matrix is given as,

.

.

.

.

1 * 1 C _ a* -a c +b* -a 1

-c 1 -b 1 -b -c

1(1+c2) _ a(-a+bc) + b( ac+b)

1 + c2 + a2 - abc + abc +b2

1 + a2 + b2 + c2

Hence proved