Question

using property evaluate(578)^2 -(577)^2​

Answer 1

TO FIND:

(578)^2-(577)^2

PROPERTY USED:

( A )^2 - ( B )^2 =( A + B ) × ( A - B )

SOLUTION:

( 578 )^2 - ( 577 )^2 = ( 578 + 577 ) × ( 578 - 577 )

( 578 )^2 - ( 577 )^2 = ( 1155 ) × ( 1 )

( 578 )^2 - ( 577 )^2 = 1155

ANSWER:

1155

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