If $\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,$ then $\int _ { 1 } ^ { 2 } 2 f ( x ) d x$ is

A)-5
B)-2
C)2
D)5
E)Impossible to determine

Name: If $\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,$ then $\int _ { 1 } ^ { 2 } 2 f ( x ) d x$ is A)-5 B)-2 C)2 D)5 E)Impossible to determine
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Question

If $\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,$ then $\int _ { 1 } ^ { 2 } 2 f ( x ) d x$ is

A)-5
B)-2
C)2
D)5
E)Impossible to determine

Quizplus · Accepted Answer

The Answer of If $\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,$ then $\int _ { 1 } ^ { 2 } 2 f ( x ) d x$ is

A)-5
B)-2
C)2
D)5
E)Impossible to determine

If ∫215f(x)dx=5,\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,∫21​5f(x)dx=5,

If $\int _ { 2 } ^ { 1 } 5 f ( x ) d x = 5,$