Question

8th standard :

Hence find the value of (370)²​

Answer 1

Answer:

Given :-

(370) ` 2

To find :- Its value.

Solution :-

Using identity :- (a + b) =( a )2 + 2ab + ( b )2

(300 + 70) `2 =( 300)` 2 + 2 x 300 x 70 + (70)`2

= 90000 + 42000 + 4900

= 136900.

Answer :- The value of (370)² is 136900.

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