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How do you simplify #(x^4256)/(x4)#?

How do you integrate #int e^6xcos5xdx#?

How do you use polar coordinates to evaluate the integral which gives the area that lies in the first quadrant between the circles #x^2+y^2=36# and #x^26x+y^2=0#?

How do you solve the initial value problem of #t^2y''  4ty' + 4y = 2t^2#
given #y(1) = 2# andÂ #y'(1) =0#?

What is an example of a telescoping series and how do you find its sum?

How do I change #int_0^1int_0^sqrt(1x^2)int_sqrt(x^2+y^2)^sqrt(2x^2y^2)xydzdydx# to cylindrical or spherical coordinates?