If 15a²+4b²/15a²-4b² = 47/7 then find the value of b³-2a³/b³+2a³
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we get the value of a& b by given equation
15a²+4b²/15a²-4b² = 47/7
a= 27 & b= 75
then the value of
b³-2a³/b³+2a³= [(27)³-2(27)³]/[(27)³+2(27)³]
b³-2a³/b³+2a³= [421875-39366]/[421875+39366]
b³-2a³/b³+2a³=392509/461241 Ans.
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