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AllQuestion and Answers: Page 493

Question Number 169281 Answers: 0 Comments: 2

Question Number 169280 Answers: 1 Comments: 0

a^2 +b^2 −25a^2 b^2 =0 b^2 +c^2 −36b^2 c^2 =0 a^2 +c^2 −49a^2 c^2 =0 a^2 +b^2 +c^2 =?

$${a}^{\mathrm{2}} +{b}^{\mathrm{2}} −\mathrm{25}{a}^{\mathrm{2}} {b}^{\mathrm{2}} =\mathrm{0} \\ $$$${b}^{\mathrm{2}} +{c}^{\mathrm{2}} −\mathrm{36}{b}^{\mathrm{2}} {c}^{\mathrm{2}} =\mathrm{0} \\ $$$${a}^{\mathrm{2}} +{c}^{\mathrm{2}} −\mathrm{49}{a}^{\mathrm{2}} {c}^{\mathrm{2}} =\mathrm{0} \\ $$$${a}^{\mathrm{2}} +{b}^{\mathrm{2}} +{c}^{\mathrm{2}} =? \\ $$

Question Number 169273 Answers: 2 Comments: 0

lim_(x→∞) ((∫_1 ^( x) ((√(4x^2 +6x−2))−2x)dx)/(5x)) =?

$$\:\:\:\:\:\:\underset{{x}\rightarrow\infty} {\mathrm{lim}}\:\frac{\int_{\mathrm{1}} ^{\:{x}} \left(\sqrt{\mathrm{4}{x}^{\mathrm{2}} +\mathrm{6}{x}−\mathrm{2}}−\mathrm{2}{x}\right){dx}}{\mathrm{5}{x}}\:=? \\ $$

Question Number 169272 Answers: 0 Comments: 3

Question Number 169271 Answers: 1 Comments: 0

Question Number 169268 Answers: 1 Comments: 0

𝛀=∫((cos^2 (ln(tan(x/2))))/(tan((x/2))))dx=?

$$\boldsymbol{\Omega}=\int\frac{\boldsymbol{\mathrm{cos}}^{\mathrm{2}} \left(\boldsymbol{\mathrm{ln}}\left(\boldsymbol{\mathrm{tan}}\frac{\boldsymbol{\mathrm{x}}}{\mathrm{2}}\right)\right)}{\boldsymbol{\mathrm{tan}}\left(\frac{\boldsymbol{\mathrm{x}}}{\mathrm{2}}\right)}\boldsymbol{\mathrm{dx}}=? \\ $$

Question Number 169260 Answers: 1 Comments: 0

Question Number 169259 Answers: 0 Comments: 1

Question Number 169251 Answers: 1 Comments: 0

calculate C=∫(dt/(1+tan^2 (t))) using x=tan(t)

$${calculate}\:{C}=\int\frac{{dt}}{\mathrm{1}+{tan}^{\mathrm{2}} \left({t}\right)}\:{using}\:{x}={tan}\left({t}\right) \\ $$

Question Number 169250 Answers: 1 Comments: 1

Calculate B=∫(1/(1+sin(x)))dx using u=tan((x/2))

$${Calculate}\:{B}=\int\frac{\mathrm{1}}{\mathrm{1}+{sin}\left({x}\right)}{dx}\:{using}\:{u}={tan}\left(\frac{{x}}{\mathrm{2}}\right) \\ $$

Question Number 169249 Answers: 0 Comments: 1

calculate A=∫(dt/(sin(t))) by using u=cos(t)

$${calculate}\:{A}=\int\frac{{dt}}{{sin}\left({t}\right)}\:{by}\:{using} \\ $$$${u}={cos}\left({t}\right) \\ $$

Question Number 169242 Answers: 2 Comments: 0

Question Number 169239 Answers: 1 Comments: 4

Question Number 169230 Answers: 1 Comments: 0

Question Number 169226 Answers: 0 Comments: 0

Question Number 169211 Answers: 1 Comments: 5

Question Number 169210 Answers: 0 Comments: 0

Question Number 169235 Answers: 0 Comments: 4

Question Number 169233 Answers: 0 Comments: 0

Question Number 169205 Answers: 0 Comments: 0

(√(91))

$$\sqrt{\mathrm{91}} \\ $$

Question Number 169204 Answers: 1 Comments: 2

if lim_(x→1) ((x^2 −ax+b)/(x−1))=5 faind volve of a+b=?

$${if}\:\underset{{x}\rightarrow\mathrm{1}} {\mathrm{lim}}\frac{{x}^{\mathrm{2}} −{ax}+{b}}{{x}−\mathrm{1}}=\mathrm{5} \\ $$$${faind}\:{volve}\:{of}\:{a}+{b}=? \\ $$$$ \\ $$

Question Number 169200 Answers: 2 Comments: 0

Question Number 169196 Answers: 0 Comments: 3

Question Number 169195 Answers: 0 Comments: 0

Question Number 169191 Answers: 0 Comments: 0

Calculate :: lim_(x→−1^+ ) ((1/((π−arccos x)^2 ))−(1/(2(1+x))))=?

$$\mathrm{Calculate}\:\:::\:\underset{\mathrm{x}\rightarrow−\mathrm{1}^{+} } {\mathrm{lim}}\left(\frac{\mathrm{1}}{\left(\pi−\mathrm{arccos}\:\mathrm{x}\right)^{\mathrm{2}} }−\frac{\mathrm{1}}{\mathrm{2}\left(\mathrm{1}+\mathrm{x}\right)}\right)=? \\ $$

Question Number 169169 Answers: 0 Comments: 3

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