1.

By usingproperties of determinants, show that:(i)∣∣∣∣a−b−c2a2a2bb−c−a2b2c2cc−a−b∣∣∣∣=(a+b+c)3(ii)∣∣∣∣x+y+2zxyzy+z+2xyzxz+x+2y∣∣∣∣=2(x+y+c)3

Answer»

By usingproperties of determinants, show that:
(i)∣∣
∣
∣
a−b−c2a2a2bb−c−a2b2c2cc−a−b∣∣
∣
∣
=(a+b+c)3

(ii)∣∣
∣
∣
x+y+2zxyzy+z+2xyzxz+x+2y∣∣
∣
∣
=2(x+y+c)3



Discussion

No Comment Found