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Question Number 119591 by Lordose last updated on 25/Oct/20

$$$$ $$...nicecalculus...$$ $$provethat::$$ $$$$ $$$$ $${\int }_0^{\frac{\pi }{2}}\sqrt{\frac{(2^x-1){sin}^3\left(x\right)}{(2^x+1)({sin}^3\left(x\right)+{cos}^3\left(x\right))}}dx<\frac{\pi }{8}$$ $$$$ $$...m.n.1970...$$ $$$$

Commented bymindispower last updated on 25/Oct/20

$$notetrueaproximativevalueofintegral\approx 0.55$$ $$pi/8\simeq o.39$$

Commented byLordose last updated on 25/Oct/20

$${\mathrm{That}}^{\prime }\mathrm{s}\mathrm{what}\mathrm{i}\mathrm{got}\mathrm{also}$$ $$\mathrm{I}\mathrm{was}\mathrm{waiting}\mathrm{for}\mathrm{sir}\mathrm{M}.\mathrm{N}$$

Commented bymnjuly1970 last updated on 25/Oct/20

Commented bymnjuly1970 last updated on 25/Oct/20

$$himrpower$$ $$youareright.$$ $$thisquestioniswrittenandpreparedby$$ $$mrhajimirfrompascalacademy.$$ $$butasyoumentioned.itisnotcorrect.$$ $$thankyousomuchforyourattention.$$ $$m.n.1970$$ $$$$

Commented bymnjuly1970 last updated on 25/Oct/20

Commented bymindispower last updated on 26/Oct/20

$$hellosirhaveyouothernicequationlikeyou$$ $$alwasysposte$$ $$nicedaysir$$

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