The Student Room Group

Gamma function/integration

The Gamma function is defined as:
Γ(𝑚) = 𝑥^𝑚−1*𝑒^−𝑥 𝑑𝑥
limits= to 0
Use this definition and the fact that Γ(2/3) = 1.354 to evaluate the
integral:

𝐼 = 𝑥𝑒^(−𝑥^3) 𝑑𝑥
limits: to 0
What have you tried?
Reply 2
Original post by globe21
The Gamma function is defined as:
Γ(𝑚) = 𝑥^𝑚−1*𝑒^−𝑥 𝑑𝑥
limits= to 0
Use this definition and the fact that Γ(2/3) = 1.354 to evaluate the
integral:

𝐼 = 𝑥𝑒^(−𝑥^3) 𝑑𝑥
limits: to 0

What might you try to make the given integral look like the one given in the definition?

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