Question

Please solve it
(a - b) ^ 4 - (a + b) ^ 4

Answer 1

refer the above solution

Answer 2

Answer:

=-8ab(a²+b²)

Step-by-step explanation:

=(a - b)⁴- (a + b)⁴

=[(a - b)²]² - [(a + b)²)²]

=[(a-b)²+(a+b)²][(a-b)²-(a+b)²]

=[2a²+2b²][-4ab]

=-8ab(a²+b²)