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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 by mindispower last updated on 25/Oct/20

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

Commented by Lordose 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 by mnjuly1970 last updated on 25/Oct/20

Commented by mnjuly1970 last updated on 25/Oct/20

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

Commented by mnjuly1970 last updated on 25/Oct/20

Commented by mindispower last updated on 26/Oct/20

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

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