Given that sin⁴A/a + cos⁴A/b=1/a+bThen prove that (sin⁴A)²/a³ +(cos⁴A)²/b³ =1/(a+b)³

Given that sin⁴A/a + cos⁴A/b=1/a+bThen prove that (sin⁴A)²/a³

1.	Given that sin⁴A/a + cos⁴A/b=1/a+bThen prove that (sin⁴A)²/a³ +(cos⁴A)²/b³ =1/(a+b)³
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