Question Number 216810 by Red1ight last updated on 21/Feb/25 $$ \\ $$40 random numbers picked from 0 to 100. what is the probability that at…
Question Number 216746 by sniper237 last updated on 17/Feb/25 $${Calculate}\:\frac{\left(\mathrm{5}+{i}\right)^{\mathrm{4}} }{\mathrm{239}+{i}}\:{Then}\: \\ $$$${Prove}\:{the}\:{Machin}\:{formula} \\ $$$$\mathrm{4}{arctan}\left(\frac{\mathrm{1}}{\mathrm{5}}\right)−{arctan}\left(\frac{\mathrm{1}}{\mathrm{239}}\right)=\frac{\pi}{\mathrm{4}} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 216323 by Red1ight last updated on 04/Feb/25 $$\mathrm{Let}\:\mathrm{10}\geqslant{x},{y}\geqslant\mathrm{0}\:\mathrm{and}\:{x},{y}\in\mathbb{R} \\ $$$$\mathrm{Find} \\ $$$$\left.{a}\right){P}\left({x}−\mathrm{2}>{y}\right) \\ $$$$\left.{b}\right){P}\left({x}+\mathrm{2}<{y}\right) \\ $$ Commented by AntonCWX last updated on 04/Feb/25…
Question Number 216161 by Spillover last updated on 28/Jan/25 Answered by MrGaster last updated on 15/Feb/25 $$\int_{\mathrm{0}} ^{\mathrm{1}} \int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left({xy}\right)}{\mathrm{1}+{xy}}{xydxdy}=\int_{\mathrm{0}} ^{\mathrm{1}} {xdx}\int_{\mathrm{0}} ^{\mathrm{1}} \frac{\mathrm{ln}\left({xy}\right)}{\mathrm{1}+{xy}}{dy}…
Question Number 215710 by Red1ight last updated on 15/Jan/25 $$ \\ $$3 different integer numbers are chosen from 0 to 10. what is the probability…
Question Number 215041 by Red1ight last updated on 26/Dec/24 $$ \\ $$3 numbers are selected randomly from 0 to 10 (Continuous). forming a new range.…
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Question Number 212926 by efronzo1 last updated on 27/Oct/24 $$\:\mathrm{find}\:\mathrm{integers}\:\mathrm{x},\mathrm{y}\:\mathrm{such}\:\mathrm{that}\: \\ $$$$\:\:\:\frac{\mathrm{x}}{\mathrm{x}−\mathrm{3}}\:−\frac{\mathrm{4}}{\mathrm{y}^{\mathrm{2}} −\mathrm{45}}\:=\:\frac{\mathrm{1}}{\mathrm{100}} \\ $$ Answered by Frix last updated on 27/Oct/24 $$\Leftrightarrow \\ $$$${x}=\frac{\mathrm{3}\left({y}^{\mathrm{2}}…
Question Number 212918 by MrGaster last updated on 26/Oct/24 $$\mathrm{The}\:\mathrm{expected}\:\mathrm{number}\:\mathrm{of}\:\mathrm{values}\:\mathrm{drawn}\: \\ $$$$\mathrm{fromthe}\:\mathrm{interval}\left[\:\mathrm{0}\:,\mathrm{1}\right]\:\mathrm{at}\:\mathrm{random}\:\mathrm{if}\:\mathrm{the}\:\mathrm{sum}\: \\ $$$$\mathrm{ofthe}\:\mathrm{values}\:\mathrm{drawn}\:\mathrm{so}\:\mathrm{far}\:\mathrm{is}\:\mathrm{less}\:\mathrm{than}\:\mathrm{1},\:\mathrm{is}\:\mathrm{too} \\ $$$$\mathrm{cntinue}\:\mathrm{drawing}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{expectede} \\ $$$$\mathrm{numbr}\:\mathrm{of}\:\mathrm{draws} \\ $$ Terms of Service Privacy Policy…
Question Number 210832 by BaliramKumar last updated on 19/Aug/24 $$ \\ $$If the probability of A solving a question is 1/2 and the probability of…