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AllQuestion and Answers: Page 1411

Question Number 70497 Answers: 1 Comments: 1

Question Number 70520 Answers: 0 Comments: 0

Question Number 70483 Answers: 1 Comments: 3

∫((ln2x)/(ln4x)).(dx/x)

$$\int\frac{{ln}\mathrm{2}{x}}{{ln}\mathrm{4}{x}}.\frac{{dx}}{{x}} \\ $$

Question Number 70482 Answers: 1 Comments: 2

∫((sin^3 x)/(√(cosx)))dx

$$\int\frac{{sin}^{\mathrm{3}} {x}}{\sqrt{{cosx}}}{dx} \\ $$

Question Number 70473 Answers: 0 Comments: 1

While posting photos of printed material please use app (like camscanner) so that picture will look clean. Also please crop pictures and upload in correct orientation. In built editor support near all maths symbols and constructs. Please go thru tutorial video and you will be able to write basic math like fraction, integral etc in less than 15 mins and you wont need to use pictures except for shapes.

$$ \\ $$$$\mathrm{While}\:\mathrm{posting}\:\mathrm{photos}\:\mathrm{of}\:\mathrm{printed}\:\mathrm{material} \\ $$$$\mathrm{please}\:\mathrm{use}\:\mathrm{app}\:\left(\mathrm{like}\:\mathrm{camscanner}\right)\:\mathrm{so} \\ $$$$\mathrm{that}\:\mathrm{picture}\:\mathrm{will}\:\mathrm{look}\:\mathrm{clean}. \\ $$$$\mathrm{Also}\:\mathrm{please}\:\mathrm{crop}\:\mathrm{pictures}\:\mathrm{and}\:\mathrm{upload} \\ $$$$\mathrm{in}\:\mathrm{correct}\:\mathrm{orientation}. \\ $$$$ \\ $$$$\mathrm{In}\:\mathrm{built}\:\mathrm{editor}\:\mathrm{support}\:\mathrm{near}\:\mathrm{all}\:\mathrm{maths} \\ $$$$\mathrm{symbols}\:\mathrm{and}\:\mathrm{constructs}.\:\mathrm{Please}\:\mathrm{go} \\ $$$$\mathrm{thru}\:\mathrm{tutorial}\:\mathrm{video}\:\mathrm{and}\:\mathrm{you}\:\mathrm{will}\:\mathrm{be}\:\mathrm{able} \\ $$$$\mathrm{to}\:\mathrm{write}\:\mathrm{basic}\:\mathrm{math}\:\mathrm{like}\:\mathrm{fraction},\: \\ $$$$\mathrm{integral}\:\mathrm{etc}\:\mathrm{in}\:\mathrm{less}\:\mathrm{than}\:\mathrm{15}\:\mathrm{mins}\:\mathrm{and} \\ $$$$\mathrm{you}\:\mathrm{wont}\:\mathrm{need}\:\mathrm{to}\:\mathrm{use}\:\mathrm{pictures}\:\mathrm{except} \\ $$$$\mathrm{for}\:\mathrm{shapes}. \\ $$$$ \\ $$

Question Number 70503 Answers: 0 Comments: 3

Question Number 70460 Answers: 0 Comments: 2

Question Number 70452 Answers: 2 Comments: 4

Question Number 70448 Answers: 0 Comments: 0

someone can texting me in whatsapp? someone than know english +584249229498 thanks

$${someone}\:{can}\:{texting}\:{me}\:{in}\:{whatsapp}? \\ $$$${someone}\:{than}\:{know}\:{english} \\ $$$$+\mathrm{584249229498} \\ $$$${thanks} \\ $$

Question Number 70446 Answers: 0 Comments: 4

Question Number 70429 Answers: 3 Comments: 6

Question Number 70425 Answers: 0 Comments: 0

Question Number 70719 Answers: 1 Comments: 0

∫sin (101x)sin^(99) x dx

$$\int\mathrm{sin}\:\left(\mathrm{101x}\right)\mathrm{sin}\:^{\mathrm{99}} \mathrm{x}\:\mathrm{dx} \\ $$

Question Number 70418 Answers: 0 Comments: 0

Question Number 70417 Answers: 1 Comments: 0

Question Number 70395 Answers: 1 Comments: 1

Question Number 70394 Answers: 1 Comments: 0

montrer que sinA+sinB+sinC=4cos(A/2)cos(B/2)cos(C/2)

$$\mathrm{montrer}\:\mathrm{que} \\ $$$$\mathrm{sinA}+\mathrm{sinB}+\mathrm{sinC}=\mathrm{4cos}\frac{\mathrm{A}}{\mathrm{2}}\mathrm{cos}\frac{\mathrm{B}}{\mathrm{2}}\mathrm{cos}\frac{\mathrm{C}}{\mathrm{2}} \\ $$

Question Number 70397 Answers: 0 Comments: 1

Question Number 70390 Answers: 0 Comments: 0

Question Number 70423 Answers: 2 Comments: 1

Question Number 70385 Answers: 1 Comments: 0

The value of determinant determinant (((x+2),( x+3),(x+5)),((x+4),( x+6),(x+9)),((x+8),(x+11),(x+15))) is

$$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:\mathrm{determinant} \\ $$$$\begin{vmatrix}{{x}+\mathrm{2}}&{\:{x}+\mathrm{3}}&{{x}+\mathrm{5}}\\{{x}+\mathrm{4}}&{\:{x}+\mathrm{6}}&{{x}+\mathrm{9}}\\{{x}+\mathrm{8}}&{{x}+\mathrm{11}}&{{x}+\mathrm{15}}\end{vmatrix}\:\mathrm{is} \\ $$

Question Number 70383 Answers: 0 Comments: 1

If a matrix A is such that 3A^3 +2A^2 +5A+I=0, then A^(−1) is equal to

$$\mathrm{If}\:\mathrm{a}\:\mathrm{matrix}\:{A}\:\mathrm{is}\:\mathrm{such}\:\mathrm{that}\:\mathrm{3}{A}^{\mathrm{3}} +\mathrm{2}{A}^{\mathrm{2}} +\mathrm{5}{A}+{I}=\mathrm{0}, \\ $$$$\mathrm{then}\:{A}^{−\mathrm{1}} \mathrm{is}\:\mathrm{equal}\:\mathrm{to} \\ $$

Question Number 70399 Answers: 1 Comments: 3

Solve x^4 + x^3 −2ax^2 −ax + a^2 = 0, a ∈ R

$$\boldsymbol{{Solve}}\:\:\boldsymbol{{x}}^{\mathrm{4}} \:+\:\boldsymbol{{x}}^{\mathrm{3}} \:−\mathrm{2}\boldsymbol{{ax}}^{\mathrm{2}} \:−\boldsymbol{{ax}}\:+\:\boldsymbol{{a}}^{\mathrm{2}} =\:\mathrm{0},\:\:\boldsymbol{{a}}\:\in\:\mathbb{R} \\ $$

Question Number 70370 Answers: 1 Comments: 4

If gcd(p , q)=1,prove that gcd(p(p+q) , q(p+q) , pq)=1 Related to Q#69939

$${If}\:\:{gcd}\left({p}\:,\:{q}\right)=\mathrm{1},{prove}\:{that} \\ $$$$\:\:\:\:\:{gcd}\left({p}\left({p}+{q}\right)\:,\:{q}\left({p}+{q}\right)\:,\:{pq}\right)=\mathrm{1} \\ $$$$\mathrm{R}\boldsymbol{\mathrm{elated}}\:\boldsymbol{\mathrm{to}}\:\boldsymbol{\mathrm{Q}}#\mathrm{69939} \\ $$

Question Number 70369 Answers: 0 Comments: 1

Question Number 70361 Answers: 0 Comments: 0

Hello si(x)=−∫_x ^∞ ((sin(x))/x)dx show ∫_0 ^(+∞) x^(a−1) si(x)dx=−((Γ(a)sin(((πa)/2)))/a) hint ipp +complex Analysis

$${Hello}\: \\ $$$${si}\left({x}\right)=−\int_{{x}} ^{\infty} \frac{{sin}\left({x}\right)}{{x}}{dx} \\ $$$${show}\:\int_{\mathrm{0}} ^{+\infty} {x}^{{a}−\mathrm{1}} {si}\left({x}\right){dx}=−\frac{\Gamma\left({a}\right){sin}\left(\frac{\pi{a}}{\mathrm{2}}\right)}{{a}} \\ $$$${hint}\:{ipp}\:+{complex}\:{Analysis} \\ $$

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