Class Physics English Volume

∫ t e dt t u t dv dt t − λ τ λ λ λ λ λ λ λ λ             ∞ ∞ ∞ ∫ t e dt t e dt t t t By substituting the limits, the first term in the above equation becomes zero. τ λ λ λ λ =−   ∞ ∞