If (a² +b²)³ = (a³+b³)² and ab is not=0, then (a/b+b/a)⁶
is equal to
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Answer:
It is given that,
a−b=7
let us cube on both sides, we get
(a−b)
3
=(7)
3
a
3
+b
3
−3ab(a−b)=343
133−3ab×7=343
133−21ab=343
−21ab=343−133
21ab=210
ab=−210/21
ab=−10
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