Question

(a+b)^2- (a-b)^2. what is the formula

Answer 1

(a+b)²-(a-b)²

(a²+b²+2ab) - (a²+b²-2ab)

= 4ab

hope that helps !!

Answer 2

★ Hi , there !!★

( a + b) ² - ( a- b) ²


=> a² + b² + 2ab - ( a² + b² - 2ab )


{( a+ b ) ² = a² + b² + 2ab}

{ ( a- b ) ² = a² + b² - 2ab }


so ,


a²+ b² + 2ab - a² + b² + 2ab


=> 4ab


hope it helps you dear friend !!!


thanks !!!