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If ∫abf(x)dx=−7\int _ { a } ^ { b } f ( x ) d x = - 7

Question 84

Multiple Choice

If ∫abf(x) dx=−7\int _ { a } ^ { b } f ( x ) d x = - 7 and ∫abg(x) dx=3\int _ { a } ^ { b } g ( x ) d x = 3 , find ∫ba[f(x) −g(x) ]dx\int _ { b } ^ { a } [ f ( x ) - g ( x ) ] d x .


A) 10
B) -21
C) -10
D) -4

Correct Answer:

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