Question

938×938-17×17 using identity

Answer 1

Hey mate!

here's your answer!

938 × 938 - 17 × 17

= (938)² - (17)²

so, by using identity,

a² - b² = (a+b)(a-b)

then,

= (938+17)(938-17)

= 955 × 921

= 879555 ...Answer