Evaluate int -4 0 1 - 2x dx - JAMB Mathematics 2006 Question
Evaluate (\int_{-4}^0(1 - 2x)dx)
A
-16
B
-20
C
20
D
10
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Correct Option: C
(\int_{-4}^0(1 - 2x)dx=[x-x^2]_{-4}^0= (0 - 0 + C) - (-4(-4)^2 + C)\
= C - (-4-16+C)\
= C-(-20+C)\
= C+20-C\
= 20)
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