please answer 6 question
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I hope this will help you
x+2y=10
Cube on both sides
(x+2y)³=x³+8y³+3(x*2y) (x+2y)
(10)³=x³+8y³+6xy(10)
1000=x³+8y³+60xy
1000-60xy=x²+8y³
1000-900=x³+8y³ ( value of xy =15)
100=x³+8y³ is your answer
x+2y=10
Cube on both sides
(x+2y)³=x³+8y³+3(x*2y) (x+2y)
(10)³=x³+8y³+6xy(10)
1000=x³+8y³+60xy
1000-60xy=x²+8y³
1000-900=x³+8y³ ( value of xy =15)
100=x³+8y³ is your answer
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0
it is your answer..............
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