Asked by Raj
Evaluate integral 3x(X-2) from 0 to 2 and comment on your answer.
Answers
Answered by
oobleck
?? This is just a simple application of the power rule
∫3x(x-2) dx = 3∫x^2 - 2x dx
Surely that isn't too hard?
∫3x(x-2) dx = 3∫x^2 - 2x dx
Surely that isn't too hard?
Answered by
Reiny
Perhaps the "comment on your answer" refers to the fact that
the answer turned out negative, and Raj did not realize that the region
lies below the x-axis.
Always make a sketch to understand what the question deals with.
the answer turned out negative, and Raj did not realize that the region
lies below the x-axis.
Always make a sketch to understand what the question deals with.
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