Question

evaluate using identity
a) (a²b-b²a)²​

Answer 1

Answer:

(a-b)2=a square -2ab + b square

a=a square b, b=b square a

this will give you answer

Answer 2

Answer:

by using (a-b)²=a²-2ab+b²

(a²b)² -2a²b×b²a+(b²a)²

=a⁴b²-2a³b³+b⁴a²