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AllQuestion and Answers: Page 1703

Question Number 36613 Answers: 1 Comments: 5

Question Number 36601 Answers: 0 Comments: 2

i want to share proof that universe and mathematics co related...golden ratio...is the proof...fibanocci numbers present in resl life if you want i can share...

$${i}\:{want}\:{to}\:{share}\:{proof}\:{that}\:{universe}\:{and} \\ $$$${mathematics}\:{co}\:{related}...{golden}\:{ratio}...{is}\:{the} \\ $$$${proof}...{fibanocci}\:{numbers}\:{present}\:{in}\:{resl}\:{life} \\ $$$${if}\:{you}\:{want}\:{i}\:{can}\:{share}... \\ $$

Question Number 36597 Answers: 2 Comments: 2

∫(dx/(x^(2/3) (1+x^(2/3) ))) = ?

$$\int\frac{\mathrm{d}{x}}{{x}^{\frac{\mathrm{2}}{\mathrm{3}}} \left(\mathrm{1}+{x}^{\frac{\mathrm{2}}{\mathrm{3}}} \right)}\:=\:? \\ $$

Question Number 36659 Answers: 1 Comments: 3

∫ (1/(sin^4 x+cos^4 x)) dx

$$\int\:\frac{\mathrm{1}}{\mathrm{sin}\:^{\mathrm{4}} {x}+\mathrm{cos}\:^{\mathrm{4}} {x}}\:{dx} \\ $$

Question Number 36595 Answers: 2 Comments: 0

∫ ((x dx)/(√(1+x^2 +(√((1+x^2 )^3 ))))) = ?

$$\int\:\frac{{x}\:{dx}}{\sqrt{\mathrm{1}+{x}^{\mathrm{2}} +\sqrt{\left(\mathrm{1}+{x}^{\mathrm{2}} \right)^{\mathrm{3}} }}}\:=\:? \\ $$

Question Number 36590 Answers: 1 Comments: 1

Question Number 36587 Answers: 0 Comments: 0

Explain why is the wurtz reaction not applicable for odd number of carbon in the preparation of Akanes

$$\boldsymbol{{Explain}}\:\boldsymbol{{why}}\:\boldsymbol{{is}}\:\boldsymbol{{the}}\:\boldsymbol{{wurtz}}\: \\ $$$$\boldsymbol{{reaction}}\:\boldsymbol{{not}}\:\boldsymbol{{applicable}} \\ $$$$\boldsymbol{{for}}\:\boldsymbol{{odd}}\:\boldsymbol{{number}}\:\boldsymbol{{of}}\:\boldsymbol{{carbon}} \\ $$$$\boldsymbol{{in}}\:\boldsymbol{{the}}\:\boldsymbol{{preparation}}\:\boldsymbol{{of}} \\ $$$$\boldsymbol{{Akanes}} \\ $$

Question Number 36576 Answers: 1 Comments: 1

Question Number 36563 Answers: 1 Comments: 1

Question Number 36548 Answers: 1 Comments: 0

Question Number 36547 Answers: 3 Comments: 0

∫((5x^4 +4x^5 )/((x^5 +x+1)^2 ))

$$\int\frac{\mathrm{5}{x}^{\mathrm{4}} +\mathrm{4}{x}^{\mathrm{5}} }{\left({x}^{\mathrm{5}} +{x}+\mathrm{1}\right)^{\mathrm{2}} } \\ $$

Question Number 36546 Answers: 0 Comments: 0

∫(((x−1))/((x+1)(√(x^3 +x^2 +x))))dx

$$\int\frac{\left({x}−\mathrm{1}\right)}{\left({x}+\mathrm{1}\right)\sqrt{{x}^{\mathrm{3}} +{x}^{\mathrm{2}} +{x}}}{dx} \\ $$

Question Number 36545 Answers: 2 Comments: 6

∫((2x+1)/((x^2 +4x+1)^(3/2) ))dx

$$\int\frac{\mathrm{2}{x}+\mathrm{1}}{\left({x}^{\mathrm{2}} +\mathrm{4}{x}+\mathrm{1}\right)^{\frac{\mathrm{3}}{\mathrm{2}}} }{dx} \\ $$

Question Number 36544 Answers: 1 Comments: 0

∫(dx/(tanx+cotx+secx+cosecx))

$$\int\frac{{dx}}{{tanx}+{cotx}+{secx}+{cosecx}} \\ $$

Question Number 36543 Answers: 0 Comments: 0

∫cot^(−1) (x^2 +x+1) dx

$$\int{cot}^{−\mathrm{1}} \left({x}^{\mathrm{2}} +{x}+\mathrm{1}\right)\:{dx} \\ $$

Question Number 36541 Answers: 0 Comments: 1

∫(x+(√(1+x^2 )) )^n dx

$$\int\left({x}+\sqrt{\mathrm{1}+{x}^{\mathrm{2}} }\:\right)^{{n}} {dx} \\ $$

Question Number 36538 Answers: 0 Comments: 1

∫(dx/((a+bx^2 )(√(b−ax^2 ))))

$$\int\frac{{dx}}{\left({a}+{bx}^{\mathrm{2}} \right)\sqrt{{b}−{ax}^{\mathrm{2}} \:}}\:\: \\ $$

Question Number 36537 Answers: 0 Comments: 3

Question Number 36980 Answers: 2 Comments: 0

Question Number 36536 Answers: 0 Comments: 0

Question Number 36535 Answers: 0 Comments: 0

∫(dx/(secx+cosecx))

$$\int\frac{{dx}}{{secx}+{cosecx}} \\ $$

Question Number 36534 Answers: 0 Comments: 0

Question Number 36533 Answers: 0 Comments: 0

Question Number 36981 Answers: 0 Comments: 3

Question Number 36529 Answers: 2 Comments: 0

A fuse with a circular cross−sectional radius of 0.15 mm blows at 15A. What should be the radius of the cross section of a fuse made of same material that blows at 30A?

$$\mathrm{A}\:\mathrm{fuse}\:\mathrm{with}\:\mathrm{a}\:\mathrm{circular}\:\mathrm{cross}−\mathrm{sectional} \\ $$$$\mathrm{radius}\:\mathrm{of}\:\mathrm{0}.\mathrm{15}\:\mathrm{mm}\:\mathrm{blows}\:\mathrm{at}\:\mathrm{15A}.\:\mathrm{What} \\ $$$$\mathrm{should}\:\mathrm{be}\:\mathrm{the}\:\mathrm{radius}\:\mathrm{of}\:\mathrm{the}\:\mathrm{cross}\:\mathrm{section} \\ $$$$\mathrm{of}\:\mathrm{a}\:\mathrm{fuse}\:\mathrm{made}\:\mathrm{of}\:\mathrm{same}\:\mathrm{material}\:\mathrm{that} \\ $$$$\mathrm{blows}\:\mathrm{at}\:\mathrm{30A}? \\ $$

Question Number 36501 Answers: 0 Comments: 0

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