If a + b = 6 and a cube + b cube = 72 , then find the value of ab .
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Answered by
3
a+b=6
a cube +b cube=72
let a be 4 and b be 2
then 4cube+2cube=72
therefore ab=4*2=8
a cube +b cube=72
let a be 4 and b be 2
then 4cube+2cube=72
therefore ab=4*2=8
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Answered by
3
I hope this will help u
ab= 2×4=8
or
ab=12×-6= -72
ab= 2×4=8
or
ab=12×-6= -72
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