Solve. You must factor first. 2n^2 +9n - 35=0
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Cos(x) is infinitely differentiable, can be expanded using Taylor's series.
The series about c can be expressed as
Substituting cos(x), c= π /4,we have
and since
we can simplify the expansion to
Note that the sign pattern is - - + + - - + + - - ..... following the sign pattern of the derivatives of cos(x).
The series about c can be expressed as
Substituting cos(x), c= π /4,we have
and since
we can simplify the expansion to
Note that the sign pattern is - - + + - - + + - - ..... following the sign pattern of the derivatives of cos(x).