Asked by Anonymous
Determine whether the statement is true or false.
d
dx |x2 + x| = |2x + 1|
d
dx |x2 + x| = |2x + 1|
Answers
Answered by
Count Iblis
Determine on what intervals you have that:
|x^2 + x | = x^2 + x
and where do you have that:
|x^2 + x | = -(x^2 + x)
You can then compute the derivative on these intervals and see if what you get is the same as |2x + 1| for all x.
|x^2 + x | = x^2 + x
and where do you have that:
|x^2 + x | = -(x^2 + x)
You can then compute the derivative on these intervals and see if what you get is the same as |2x + 1| for all x.
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