Question

(82)²-(18)² = ? (use identity to find value) ​

Answer 1

Answer:

(82)² - (18)² = 6400. Hence, (82)² - ( 18)² = 6400.

Step-by-step explanation:

Hii Mate !!

Here is your answer ;

Question : ( 82)² - ( 18)² , Solve using identities.

Solution :

(82)² - (18)² it is of the form a² - b² .

As we know that , a² - b² = ( a + b ) ( a - b ).

So,

( 82)² - ( 18)² = ( 82 + 18 ) ( 82 - 18 )

(82)² - ( 18)² = 100 × 64

(82)² - (18)² = 6400.

Hence,

(82)² - ( 18)² = 6400.

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