Evaluate the Improper Integral $\int _ { 0 } ^ { \infty } x e ^ { - x / 2 } d x$

question 85

Multiple Choice

Evaluate the improper integral $\int _ { 0 } ^ { \infty } x e ^ { - x / 2 } d x$

• A)1
• B)2
• C)4
• D) \(\frac { 1 } { 4 }\)
• E) \(\frac { 1 } { 3 }\)
• F)3
• G) \(\frac { 1 } { 2 }\)
• H)Divergent

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