Question

what is the value of (a+b)(a-b)

Answer 1

Answer:-

( a + b ) ( a - b )

= a * a + a * -b + b * a - b * b

= a² - ab + ab - b²

= a² - b²

Answer 2

Ans.a^2-b^2 =a(a-b)+b(a-b)=a^2-ab+ab-b^2=a^2-b^2