Question

Simplify (a^2 + b^2) (a^2-b^2) + (b^2 + c^2) (b^2 - c^2) + (c^2 + a^2) (c^2 - a^2)​

Answer 1

Answer:

(a²+b²)(a²-b²)+(b²+c²)(b²-c²)+(c²+a²)(c²-a²)

=a⁴-b⁴+b⁴-c⁴+c⁴-a⁴

=0