Find L ( t^2 sin 2t)

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This sum was mistake.. the denominator have power 2 .not 3

sujithkumarmadasu
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How you applied quotient rule?
We apply quotient rule when there is variable in both Nominator and Denominator.
But in this there is variable only in denominator!

danyalkhan
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you missed (s^2+4)^2 this step but u got correct answer how it came

reshmis