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Category: Integration

dx-x-4x-2-2x-1-

Question Number 91842 by jagoll last updated on 03/May/20 $$\int\:\frac{{dx}}{{x}\sqrt{\mathrm{4}{x}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{1}}}\:? \\ $$ Commented by mathmax by abdo last updated on 03/May/20 $${I}\:=\int\:\:\frac{{dx}}{{x}\sqrt{\mathrm{4}{x}^{\mathrm{2}} +\mathrm{2}{x}−\mathrm{1}}}\:\:{let}\:{solve}\:\mathrm{4}{x}^{\mathrm{2}} \:+\mathrm{2}{x}−\mathrm{1}\:=\mathrm{0}\:\rightarrow…

cosec-x-dx-

Question Number 26270 by ibraheem160 last updated on 23/Dec/17 $$\int\sqrt{{cosec}\left({x}\right)}{dx} \\ $$ Commented by prakash jain last updated on 24/Dec/17 $$\mathrm{Please}\:\mathrm{provide}\:\mathrm{some}\:\mathrm{context}. \\ $$$$\mathrm{This}\:\mathrm{integral}\:\mathrm{cannot}\:\mathrm{be}\:\mathrm{expressed} \\ $$$$\mathrm{in}\:\mathrm{terms}\:\mathrm{of}\:\mathrm{elementry}\:\mathrm{functiin}.…