Question

using an identity evaluate 984 square - 16 square​

Answer 1

Answer:

(984)² - (16)²

= Using identity

a² - b² = (a + b) (a - b)

= (984 + 16) (984 - 16)

= 1000 × 968

= 968000

Answer 2

Answer:

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

=(984-16)(984+16)

=(968)(1000)