Question

Factorise. (A+root B)(A-root B)-(B-root A)(B+root A)

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

= a×(a-√b) + √b×(a-√b) - b×(b+√a) - √a×(b+√a)

= a² - a√b + a√b - b - b² + b√a - b√a + a

= -a√b cancel to +a√b

= +b√a cancel to -b√a

Final Answer is

=a² - b² + a - b

This is your answer.

THANKQ.