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Integrate the following functions cos sqrtx/sqrtx |
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Answer» Solution :LET.` t =sqrtx`. Then `DT = 1/(2sqrtx) dx` `GT 1/sqrtx dx = 2dt` therefore` int (COS sqrtx)/sqrtx dx = int costxx2dt` =`2 sint t+c = 2sin sqrtx+c` |
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