Question

by using suitable identity find the answer 52*53

Answer 1

Answer :

2756

Step-by-step explanation :

52 * 53

Identity used :

( x + a ) ( x + b ) = x² + ax + bx + ab

Here,

52 * 53 can be written as ;

( 50 + 2 ) ( 50 + 3 )

⇒ 50² + 2 * 50 + 3 * 50 + 2 * 3

⇒ 2500 + 100 + 150 + 6

⇒ 2600 + 156

⇒ 2756

Hence, the answer is 2756.

Answer 2

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