Question

evalute:(57)³by using identity





(step by step in book)​

Answer 1

Answer:185193

Step-by-step explanation:

Given,

(57)^3

(50+7)^3

Identity :

( a + b )³ = a³ + b³ + 3ab ( a + b )

= 50^3 + 7^3 + 3×50×7 ( 50+7)

=125000+343 + 1050 ( 57)

=125000+343 + 59850

=185193

Hope this helps you

(^_^)