Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 33

Question Number 210809 Answers: 1 Comments: 4

Question Number 210807 Answers: 0 Comments: 0

Question Number 210789 Answers: 1 Comments: 0

Question Number 210788 Answers: 1 Comments: 0

s=Σ_(i=1) ^∞ 2^i 2s=s−1 s=1 ? how to explain it and how to judge which case can use this way

$${s}=\underset{{i}=\mathrm{1}} {\overset{\infty} {\sum}}\mathrm{2}^{{i}} \\ $$$$\mathrm{2}{s}={s}−\mathrm{1} \\ $$$${s}=\mathrm{1}\:? \\ $$$$\:{how}\:{to}\:{explain}\:{it} \\ $$$${and}\:{how}\:{to}\:{judge}\:{which}\:{case}\:{can}\:{use}\:{this}\:{way} \\ $$

Question Number 210787 Answers: 6 Comments: 0

{ (( If, D : x^2 +y^( 2) + z^( 2) ≤1)),(( ⇒∫∫_D^ ∫(( x^2 + 2y^( 2) )/(x^2 + 4y^2 +z^2 )) dxdydz=?)) :}

$$ \\ $$$$\:\begin{cases}{\:\:\mathrm{I}{f},\:\mathrm{D}\::\:{x}^{\mathrm{2}} \:+{y}^{\:\mathrm{2}} \:+\:{z}^{\:\mathrm{2}} \leqslant\mathrm{1}}\\{\:\Rightarrow\int\underset{\overset{} {\mathrm{D}}} {\int}\int\frac{\:{x}^{\mathrm{2}} \:+\:\mathrm{2}{y}^{\:\mathrm{2}} }{{x}^{\mathrm{2}} \:+\:\mathrm{4}{y}^{\mathrm{2}} \:+{z}^{\mathrm{2}} }\:{dxdydz}=?}\end{cases} \\ $$$$ \\ $$$$ \\ $$

Question Number 210786 Answers: 1 Comments: 0

Question Number 210782 Answers: 0 Comments: 2

How to make 4 out of four 0′s ? HELP PLEASE

$$ \\ $$$$\:\:\:\mathscr{H}{ow}\:{to}\:{make}\:\mathrm{4}\:{out}\:{of}\:{four}\:\:\mathrm{0}'{s}\:? \\ $$$$\:\:\:\mathscr{HELP}\:\mathscr{PLEASE} \\ $$$$ \\ $$

Question Number 210769 Answers: 0 Comments: 1

Question Number 210767 Answers: 2 Comments: 2

Question Number 210765 Answers: 1 Comments: 0

Question Number 210761 Answers: 2 Comments: 7

Question Number 210755 Answers: 0 Comments: 0

Question Number 210754 Answers: 1 Comments: 0

Question Number 210753 Answers: 1 Comments: 0

Question Number 210737 Answers: 1 Comments: 0

f(x)=(x^2 /(x^2 +1)) then f((1/1))+f((2/1))+.....+f(((100)/1))+f((1/2)) +f((2/2))+...+f(((100)/2))+f((1/(100)))+f((2/(100))) +......+f(((100)/(100)))=?

Question Number 210729 Answers: 3 Comments: 0

Question Number 210728 Answers: 1 Comments: 0

Question Number 210723 Answers: 1 Comments: 0

the volume of the region between the planes x+y+2z=2 and 2x+y+z = 4 in the first octant is

$$\mathrm{the}\:\mathrm{volume}\:\mathrm{of}\:\mathrm{the}\:\mathrm{region}\:\mathrm{between}\:\mathrm{the}\: \\ $$$$\mathrm{planes}\:\mathrm{x}+\mathrm{y}+\mathrm{2z}=\mathrm{2}\:\mathrm{and}\:\mathrm{2x}+\mathrm{y}+\mathrm{z}\:=\:\mathrm{4}\:\mathrm{in}\: \\ $$$$\mathrm{the}\:\mathrm{first}\:\mathrm{octant}\:\mathrm{is} \\ $$

Question Number 210718 Answers: 0 Comments: 1

If sin1° = a (1/(cos1°∙cos2°)) + (1/(cos2°∙cos3°)) +...+ (1/(cos44°∙cos45°)) = ?

$$\mathrm{If}\:\:\:\mathrm{sin1}°\:=\:\mathrm{a} \\ $$$$\frac{\mathrm{1}}{\mathrm{cos1}°\centerdot\mathrm{cos2}°}\:+\:\frac{\mathrm{1}}{\mathrm{cos2}°\centerdot\mathrm{cos3}°}\:+...+\:\frac{\mathrm{1}}{\mathrm{cos44}°\centerdot\mathrm{cos45}°}\:=\:? \\ $$

Question Number 210719 Answers: 2 Comments: 0

find 63!^(36!) mod97 thanks

$${find}\:\mathrm{63}!^{\mathrm{36}!} {mod}\mathrm{97}\:\:\:{thanks} \\ $$

Question Number 210706 Answers: 0 Comments: 0

Question Number 210702 Answers: 2 Comments: 0

How many real solutions does the equation x=sin3x have?

$$\mathrm{How}\:\mathrm{many}\:\mathrm{real}\:\mathrm{solutions}\:\mathrm{does}\:\mathrm{the} \\ $$$$\mathrm{equation}\:{x}=\mathrm{sin3}{x}\:\mathrm{have}? \\ $$

Question Number 210701 Answers: 1 Comments: 0

Question Number 210695 Answers: 1 Comments: 1

Question Number 210694 Answers: 1 Comments: 0

Question Number 210689 Answers: 1 Comments: 0

Pg 28 Pg 29 Pg 30 Pg 31 Pg 32 Pg 33 Pg 34 Pg 35 Pg 36 Pg 37

Contact: info@tinkutara.com