सिद्ध कीजिए कि- |{:(a-b-c,2a,2a),(2b,b-c-a,2b),(2c,2c,c-a-b):}|=(a+b+c)^(3) | 12 | सारणिक | MATH...

evaluate: |(a-b-c,2a,2a),(2b,b-c-a,2b),(2c,2c,c-a-b)|

Prove that: |[a-b-c, 2a,2a],[2b,b-c-a,2b],[2c,2c,c-a-b]|=(a+b+c)^3

det[[ prove that ,2aa-b-c,2a,2a2b,b-c-a,2b2c,2c,c-a-b]]=(a+b+c)^(3)

If A= [{:(a-b-c, 2a,2a), (2b, b-c-a, 2b),(2c, 2c, c-a-b):}] = (a +b+c) (x +a +b+c)^(2), x ne 0 " and " a +b +c ne 0 , then x is equal to

Prove that : |{:(a+b+2c,a,b),(c,b+c+2a,b),(c,a,c+a+2b):}|=2(a+b+c)^(3)