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Question Number 196757 Answers: 1 Comments: 0

Question Number 196756 Answers: 0 Comments: 0

Question Number 196755 Answers: 0 Comments: 0

Question Number 196738 Answers: 0 Comments: 13

Question Number 196735 Answers: 2 Comments: 0

Question Number 196734 Answers: 1 Comments: 0

Question Number 196728 Answers: 1 Comments: 1

Question Number 196730 Answers: 0 Comments: 0

Question Number 196725 Answers: 1 Comments: 0

Question Number 196723 Answers: 2 Comments: 0

prove that the curve (√((x−1)^2 +y^2 ))+(√((x+1)^2 +y^2 ))=4 is an ellipse and find its semi major axis and semi minor axis.

$p r o v e t h a t t h e c u r v e$ $\sqrt{{(x - 1)}^{2} + y^{2}} + \sqrt{{(x + 1)}^{2} + y^{2}} = 4$ $i s a n e l l i p s e a n d f i n d i t s s e m i$ $m a j o r a x i s a n d s e m i m i n o r a x i s .$

Question Number 196714 Answers: 3 Comments: 0

Question Number 196710 Answers: 0 Comments: 1

Give the function: f(x)=(x−1)(x−2)^2 (x−3)^3 (x−4)^4 ...(x−2022)^(2022) Find extremes of f(x)¿

$G i v e t h e f u n c t i o n :$ $f (x) = (x - 1) {(x - 2)}^{2} {(x - 3)}^{3} {(x - 4)}^{4} . . . {(x - 2022)}^{2022}$ $F i n d e x t r e m e s o f f (x) ¿$

Question Number 196704 Answers: 0 Comments: 0

Question Number 196697 Answers: 1 Comments: 3

Question Number 196693 Answers: 0 Comments: 0

And If I want to study an abstract algebra what book would you recommend and are there any prequesties

Question Number 196691 Answers: 0 Comments: 2

Can someone recommend Calculus book , But I prefer if the book isn't boring and have a real challenging problems not a direct consequence of what is illustrated

Question Number 196690 Answers: 1 Comments: 0

If (ax)^(loga) = (bx)^(logb) then prove that x = (1/(ab)) .

$If {(a x)}^{\log a} = {(b x)}^{\log b} then prove that$ $x = \frac{1}{a b} .$

Question Number 196708 Answers: 0 Comments: 5

Δt=20C^(° ) change to k? plz help me

$Δ t = {20 C}^{°} change to k ?$ $plz help me$

Question Number 196705 Answers: 0 Comments: 0

lim_(n→∞) ∫_(−∞) ^( ∞) ((n!2^(2ncos(φ)) )/(Π_(k=1) ^∞ (2ne^(iφ) −k)))dφ

$\lim_{n \to \infty} \underset{- \infty}{\int^{\infty}} \frac{n! 2^{2 n c o s (ϕ)}}{\underset{k = 1}{\prod^{\infty}} (2 {n e}^{i ϕ} - k)} d ϕ$

Question Number 196688 Answers: 1 Comments: 0

Question Number 196683 Answers: 2 Comments: 0

If y = ((e^x − e^(− x) )/(e^x + e^(− x) )) then show that x = (1/2)log_e (((1 + y)/(1 − y))).

$If y = \frac{e^{x} - e^{- x}}{e^{x} + e^{- x}} then show that$ $x = \frac{1}{2} \log_{e} (\frac{1 + y}{1 - y}) .$

Question Number 196682 Answers: 1 Comments: 0

Question Number 196672 Answers: 1 Comments: 1

Find all Ω=abcdef ^(−) , such that abcdef=abc+def

$F i n d a l l Ω \overset{―}{= a b c d e f}, s u c h t h a t$ $a b c d e f = a b c + d e f$

Question Number 196676 Answers: 1 Comments: 1

If ab^(−) ∙ cd^(−) =899 , find Ω= abcd^(−) + cdab^(−)

$I f \overset{―}{a b} \cdot \overset{―}{c d} = 899, f i n d Ω = \overset{―}{a b c d} + \overset{―}{c d a b}$

Question Number 196674 Answers: 0 Comments: 0

prove that lim_(n→+∞) (−1)^(n−1) +Σ_(p=2) ^n (−1)^p pln(((p+1)/(p−1)))=ln(π)

$prove that$ $\lim_{n \to + \infty} {(- 1)}^{n - 1} + \underset{p = 2}{\sum^{n}} {(- 1)}^{p} pln (\frac{p + 1}{p - 1}) = \ln (π)$

Question Number 196667 Answers: 3 Comments: 0

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