Please, multiply:

preprekomW
2021-02-09
Answered

Please, multiply:

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Obiajulu

Answered 2021-02-10
Author has **98** answers

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If ${a}_{k}{\textstyle \phantom{\rule{0.222em}{0ex}}}=\mathrm{tan}(\sqrt{2}+\frac{k\pi}{2011})$ , then evaluate $\frac{{a}_{1}+{a}_{2}+\dots +{a}_{2011}}{{a}_{1}{a}_{2}\dots {a}_{2011}}$

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Problem looks similar to

$T(x,y,z)=(u,v)$

$u=x+y+{z}^{2}$

$v=\mathrm{cos}(x)+\mathrm{tan}(y)-z+3$

vector $r(t)=(t\cdot e,({t}^{2}+2{)}^{t},{e}^{-{s}^{2}})$

At point t=0 what's the tangent vector of T(r(t))?

Anybody who can help me out with this problem?

$T(x,y,z)=(u,v)$

$u=x+y+{z}^{2}$

$v=\mathrm{cos}(x)+\mathrm{tan}(y)-z+3$

vector $r(t)=(t\cdot e,({t}^{2}+2{)}^{t},{e}^{-{s}^{2}})$

At point t=0 what's the tangent vector of T(r(t))?

Anybody who can help me out with this problem?

asked 2021-09-03

When an experiment is performed, one and only one of the events $A}_{1},{A}_{2$ and $A}_{3$ will occur. Find $P\left({A}_{1}\right),P\left({A}_{2}\right)$ and $P\left({A}_{3}\right)$ under each of the following assumptions:
a) $P\left({A}_{1}\right)=P\left({A}_{2}\right)=P\left({A}_{3}\right)$

b)$P\left({A}_{1}\right)=P\left({A}_{2}\right){\textstyle \phantom{\rule{1em}{0ex}}}\text{and}{\textstyle \phantom{\rule{1em}{0ex}}}P\left({A}_{3}\right)=\frac{1}{2}$

c)$P\left({A}_{1}\right)=2P\left({A}_{2}\right)=3P\left({A}_{3}\right)$

b)

c)