The greatest common factor of a variable, raised to different powers, is the LOWEST of the powers - in this case, x to the power 2.
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(x - y)(x + y)(x2 - xy + y2)(x2 + xy + y2)
(x1+x2+...+x5)/5 = 34 (x1+x2+...+x5)= 5 * 34 = 170 [(x1+x2+...+x5) + x6]/6 = 35 170 + x6 = 6*35 = 210 x6 =210-170=40 Answer is 40
The infinite series is 1 - x2/2! + x4/4! - x6/6! + ...
I will use the quotient rule here. d/dx(f(x)/g(x) = g(x)*f'(x) - f(x)*g'(x)/[g(x)]2 x3*1/x - ln(x)*3x2/(x3)2 x3/x - 3ln(x)x2/x6 x2 - 3ln(x)x2/x6 = - 3ln(x)/x4 =========
The GCF is x2