Topic: Help to calculate the row total (2k+1) x^2k
Colleagues, help to solve exercise .1.5. From Kormena "algorithms"
My attempts come to an end what to present the row total as the total of the totals of rows, to carry out a twain, to spread out x^2k on x^2*x^k. Further business does not go.
I find in a network different decisions, to me their logic is not clear: