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Question-214264




Question Number 214264 by zhou0429 last updated on 03/Dec/24
Commented by Ghisom last updated on 05/Dec/24
it makes no sense trying to find an exact  solution since (1) (√(39)) is not a zero of the  polynomial and (2) the real root of the  polynomial is no usable expression  just use a good calculator
$$\mathrm{it}\:\mathrm{makes}\:\mathrm{no}\:\mathrm{sense}\:\mathrm{trying}\:\mathrm{to}\:\mathrm{find}\:\mathrm{an}\:\mathrm{exact} \\ $$$$\mathrm{solution}\:\mathrm{since}\:\left(\mathrm{1}\right)\:\sqrt{\mathrm{39}}\:\mathrm{is}\:\mathrm{not}\:\mathrm{a}\:\mathrm{zero}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{polynomial}\:\mathrm{and}\:\left(\mathrm{2}\right)\:\mathrm{the}\:\mathrm{real}\:\mathrm{root}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{polynomial}\:\mathrm{is}\:\mathrm{no}\:\mathrm{usable}\:\mathrm{expression} \\ $$$$\mathrm{just}\:\mathrm{use}\:\mathrm{a}\:\mathrm{good}\:\mathrm{calculator} \\ $$
Answered by issac last updated on 03/Dec/24
almost  ∫_a ^( āˆž)   f(z)dzā‰ˆ0.135123066809.......
$$\mathrm{almost} \\ $$$$\int_{{a}} ^{\:\infty} \:\:{f}\left({z}\right)\mathrm{d}{z}\approx\mathrm{0}.\mathrm{135123066809}……. \\ $$

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