Question

(a-b)2 -(a+b)2 = option


a. 0 b. 4 ab c.-4ab. d. 1​

Answer 1

Step-by-step explanation:

0 is the answer

may it helps you

a²+2ab-b²-(a²+2ab+b²)

a²+2ab-b²-a²-2ab-b²

=0

may you get it right

Answer 2

Answer:

c. -4ab

Step-by-step explanation:

we know that

${(a - b)}^{2} = {a}^{2} + {b}^{2} - 2ab \\ {(a + b)}^{2} = {a}^{2} + {b}^{2} + 2ab$

${(a - b)}^{2} - {(a + b)}^{2} \\ using \: identity \\ {a}^{2} + {b}^{2} - 2ab - {a}^{2} - {b}^{2} - 2ab \\ = - 4ab$

hence option c. is correct