Question

if a/b=b/c=c/d, show that 3a³+5b³/8a3-7b³
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Answer 1

Answer:

3ab−2a

2

−2b

2

−(5a

2

−7ab+5b

2

)

3ab−2a

2

−2b

2

−5a

2

+7ab−5b

2

10ab−7a

2

−7b

2