Question

102 square - 98 square solve the question by using identity a square minus b square
102 square - 98 square use the identity of a square minus b square and solve this question

Answer 1

Answer:

$102^2 - 98^2$ = (102+98)(102-98) (∵ $a^2 - b^2 = (a+b)(a- b)$)

                = 200 * 4

                = 800

Answer 2

Answer:

Step-by-step explanation: