Question
prove using property of determinant
1. a+b+c -c -b
-c a+b+c -a = 2(a+b)( b+c ) (c+a)
-b -a a+b+c
Joshi sir comment
first use C1 = C1+C2+C3
then R1 = R1+R2 and R2 = R2+R3
after it solve mathematically
prove using property of determinant
1. a+b+c -c -b
-c a+b+c -a = 2(a+b)( b+c ) (c+a)
-b -a a+b+c
first use C1 = C1+C2+C3
then R1 = R1+R2 and R2 = R2+R3
after it solve mathematically