I’ve been asked to create this for loop for my C Programming class but I do not know how to alternate the positive and negative values. Thank you in advance!
sum2=1-x+x^2-x^3+⋯+/-x^n
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I’ve been asked to create this for loop for my C Programming class but I do not know how to alternate the positive and negative values. Thank you in advance!
sum2=1-x+x^2-x^3+⋯+/-x^n
Hint: consider the expression as sum of (-1*x)^i, with i = 1, 2, 3, …, n.
If n is even then (-1*x)^i is positive, if odd then negative.