Question
( 15.25×15.25×15.25+24.75×24.75×24.75) /
(15.25×15.25-15.25×24.75+24.75×24.75)Solution
Let a = 15.25 and b = 24.75. So, (a3+b3) / (a2-ab+b2) As we know that - a3+b3 = (a+b) (a2-ab+b2). =(a+b) (a2-ab+b2) / (a2-ab+b2). The term (a2-ab+b2) cancel out and leave- =(a+b) =15.25+24.75 =40.
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