Question

(2.75×2.75×2.75)-(2.25×2.25×2.25) / 2.75×2.75+2.75×2.25+2.25×2.25 is equal to

Answer 1

Solution :

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We know the algebraic identity:

a³ - b³ = ( a - b )( a² + ab + b² )

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Here ,

a = 2.75 , b = 2.25

Now ,

( a³ - b³ )/( a²+ab+b²)

= [ (a-b)(a²+ab+b²)]/(a²+ab+b²)]

after cancellation, we get

= a - b

= 2.75 - 2.25

= 0.5

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Answer 2

hey mate....

the answer which I've calculated is
0.499992026