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Question Number 196286 Answers: 0 Comments: 0

Question Number 196285 Answers: 0 Comments: 1

problem 196258 (please)

$${problem}\:\mathrm{196258}\:\left({please}\right) \\ $$

Question Number 196277 Answers: 3 Comments: 0

$$\:\:\:\:\:\cancel{\underline{\underbrace{ }}\:} \\ $$

Question Number 196276 Answers: 1 Comments: 0

Question Number 196275 Answers: 1 Comments: 0

Question Number 196267 Answers: 1 Comments: 2

if lim_(n→+∞) (1+ (x/(7n)))^(29n) =2023 find x ??

$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$\:\:{if}\:\:\:{lim}_{{n}\rightarrow+\infty} \:\left(\mathrm{1}+\:\frac{{x}}{\mathrm{7}{n}}\right)^{\mathrm{29}{n}} =\mathrm{2023} \\ $$$$\:\:\:\boldsymbol{\mathrm{find}}\:\boldsymbol{{x}}\:?? \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 196265 Answers: 2 Comments: 0

Question Number 196261 Answers: 1 Comments: 0

Question Number 196258 Answers: 0 Comments: 4

If(x_m +iy_m )^(2n+1) =1 , such that m∈{1,2,3,....,2n} ∧ x_m ,y_m ∈R p=Σ_(k=1) ^(2020) [((1−x_k +iy_k )/(1+x_k +iy_k ))] , Find ((p/(43)))

$${If}\left({x}_{{m}} +{iy}_{{m}} \right)^{\mathrm{2}{n}+\mathrm{1}} =\mathrm{1}\:,\:{such}\:{that} \\ $$$${m}\in\left\{\mathrm{1},\mathrm{2},\mathrm{3},....,\mathrm{2}{n}\right\}\:\wedge\:{x}_{{m}} ,{y}_{{m}} \in\mathbb{R} \\ $$$${p}=\underset{{k}=\mathrm{1}} {\overset{\mathrm{2020}} {\sum}}\left[\frac{\mathrm{1}−{x}_{{k}} +{iy}_{{k}} }{\mathrm{1}+{x}_{{k}} +{iy}_{{k}} }\right]\:,\:{Find}\:\left(\frac{{p}}{\mathrm{43}}\right) \\ $$

Question Number 196257 Answers: 1 Comments: 0

Question Number 197581 Answers: 1 Comments: 0

find Σ_(n=1) ^k (√n) ?

$${find}\:\underset{{n}=\mathrm{1}} {\overset{{k}} {\sum}}\sqrt{{n}}\:? \\ $$

Question Number 197583 Answers: 1 Comments: 0

{ ((((sin x)/(cos (x+y))) = −((√2)/2))),((((cos y)/(cos (x+y))) = ((√2)/2))) :} find the solution

$$\:\:\begin{cases}{\frac{\mathrm{sin}\:\mathrm{x}}{\mathrm{cos}\:\left(\mathrm{x}+\mathrm{y}\right)}\:=\:−\frac{\sqrt{\mathrm{2}}}{\mathrm{2}}}\\{\frac{\mathrm{cos}\:\mathrm{y}}{\mathrm{cos}\:\left(\mathrm{x}+\mathrm{y}\right)}\:=\:\frac{\sqrt{\mathrm{2}}}{\mathrm{2}}}\end{cases} \\ $$$$\:\:\:\mathrm{find}\:\mathrm{the}\:\mathrm{solution}\: \\ $$

Question Number 197582 Answers: 1 Comments: 0

Question Number 196251 Answers: 2 Comments: 0

Question Number 196249 Answers: 0 Comments: 0

log_a x=30 log_b x=70 log_(ab) x=?

$${log}_{{a}} {x}=\mathrm{30} \\ $$$${log}_{{b}} {x}=\mathrm{70} \\ $$$${log}_{{ab}} {x}=? \\ $$

Question Number 196246 Answers: 1 Comments: 1

Question Number 196242 Answers: 2 Comments: 0

Simplify (((1+cos2θ +isin2θ)/(1+cos2θ −isin2θ)))^(30)

$$\mathrm{Simplify}\:\left(\frac{\mathrm{1}+\mathrm{cos2}\theta\:+\mathrm{isin2}\theta}{\mathrm{1}+\mathrm{cos2}\theta\:−\mathrm{isin2}\theta}\right)^{\mathrm{30}} \\ $$

Question Number 196225 Answers: 2 Comments: 1

Question Number 196221 Answers: 1 Comments: 3

there is a cylinder on the horizontal plane and there is a little ball with mass m at the center of a circle on the vertical plane and there is a little hole in the wall of the cylinder on the lift of the ball which just enough for the ball to pass through the gravitational acceleration is g the collision between the ball and the cylinder wall can be regarded as an elastic coollision find all of the quondam speed

$${there}\:{is}\:{a}\:{cylinder}\:{on}\:{the}\:{horizontal}\:{plane} \\ $$$${and}\:{there}\:{is}\:{a}\:{little}\:{ball}\:{with}\:{mass}\:{m} \\ $$$${at}\:{the}\:{center}\:{of}\:{a}\:{circle}\:{on}\:{the}\:{vertical}\:{plane} \\ $$$${and}\:{there}\:{is}\:{a}\:{little}\:{hole}\:{in}\:{the}\:{wall}\:{of} \\ $$$${the}\:{cylinder}\:{on}\:{the}\:{lift}\:{of}\:{the}\:{ball}\:{which} \\ $$$${just}\:{enough}\:{for}\:{the}\:{ball}\:{to}\:{pass}\:{through} \\ $$$${the}\:{gravitational}\:{acceleration}\:{is}\:{g} \\ $$$${the}\:{collision}\:{between}\:{the}\:{ball}\:{and} \\ $$$${the}\:{cylinder}\:{wall}\:{can}\:{be}\:{regarded}\:{as} \\ $$$${an}\:{elastic}\:{coollision} \\ $$$${find}\:{all}\:{of}\:{the}\:{quondam}\:{speed} \\ $$

Question Number 196216 Answers: 0 Comments: 0