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Question Number 101851 Answers: 1 Comments: 0

Question Number 101568 Answers: 1 Comments: 0

Question Number 101563 Answers: 2 Comments: 0

Question Number 101558 Answers: 1 Comments: 0

if y=sin2x is the solution of differintial equation (d^2 y/dx^2 ) +4y=k then the k is .......

$${if}\:{y}={sin}\mathrm{2}{x}\:{is}\:{the}\:{solution}\:{of}\:{differintial}\:{equation}\: \\ $$$$\frac{{d}^{\mathrm{2}} {y}}{{dx}^{\mathrm{2}} }\:+\mathrm{4}{y}={k}\:{then}\:{the}\:{k}\:{is}\:....... \\ $$

Question Number 101555 Answers: 1 Comments: 0

Question Number 101554 Answers: 3 Comments: 0

(1/(cos80))−((√3)/(sin80))=?

$$\frac{\mathrm{1}}{\mathrm{cos80}}−\frac{\sqrt{\mathrm{3}}}{\mathrm{sin80}}=? \\ $$

Question Number 101553 Answers: 1 Comments: 0

solve the inequality (^3 log x+2)^(5x+1) ≥ (^3 log x +2)^(3−3x)

$$\mathrm{solve}\:\mathrm{the}\:\mathrm{inequality} \\ $$$$\left(\:^{\mathrm{3}} \mathrm{log}\:{x}+\mathrm{2}\right)^{\mathrm{5}{x}+\mathrm{1}} \:\geqslant\:\left(\:^{\mathrm{3}} \mathrm{log}\:{x}\:+\mathrm{2}\right)^{\mathrm{3}−\mathrm{3}{x}} \\ $$

Question Number 101551 Answers: 2 Comments: 0

Question Number 101546 Answers: 4 Comments: 1

Question Number 101531 Answers: 1 Comments: 0

find ∫(√(ax−x^2 ))dx

$${find}\:\int\sqrt{{ax}−{x}^{\mathrm{2}} }{dx} \\ $$

Question Number 105345 Answers: 1 Comments: 0

If the point ((√2) ,p) and (−(√2),q) lie on the graph y=x^3 +ax^2 +bx+c and q−p = 3 , then what the value of b ?

$${If}\:{the}\:{point}\:\left(\sqrt{\mathrm{2}}\:,{p}\right)\:{and}\:\left(−\sqrt{\mathrm{2}},{q}\right) \\ $$$${lie}\:{on}\:{the}\:{graph}\:{y}={x}^{\mathrm{3}} +{ax}^{\mathrm{2}} +{bx}+{c} \\ $$$${and}\:{q}−{p}\:=\:\mathrm{3}\:,\:{then}\:{what}\:{the} \\ $$$${value}\:{of}\:{b}\:?\: \\ $$

Question Number 101522 Answers: 1 Comments: 1

calculate : cos^2 47^o +cos^2 73^o +cos 47^o .cos 73^o +(1/2)

$$\mathrm{calculate}\::\:\mathrm{cos}\:^{\mathrm{2}} \mathrm{47}^{\mathrm{o}} +\mathrm{cos}\:^{\mathrm{2}} \mathrm{73}^{\mathrm{o}} +\mathrm{cos}\:\mathrm{47}^{\mathrm{o}} .\mathrm{cos}\:\mathrm{73}^{\mathrm{o}} +\frac{\mathrm{1}}{\mathrm{2}} \\ $$

Question Number 101523 Answers: 0 Comments: 1

Dear Joint Users, please use “answer” instead of “comment” when answering a question. it′s impossible to find unanswered questions at the moment. it makes no sense to search for “unanswered questions” anymore. maybe we need a search function for “uncommented questions” soon. Thank you

$$\mathrm{Dear}\:\mathrm{Joint}\:\mathrm{Users}, \\ $$$$\mathrm{please}\:\mathrm{use}\:``\mathrm{answer}''\:\mathrm{instead}\:\mathrm{of}\:``\mathrm{comment}'' \\ $$$$\mathrm{when}\:\mathrm{answering}\:\mathrm{a}\:\mathrm{question}.\:\mathrm{it}'\mathrm{s}\:\mathrm{impossible} \\ $$$$\mathrm{to}\:\mathrm{find}\:\mathrm{unanswered}\:\mathrm{questions}\:\mathrm{at}\:\mathrm{the}\:\mathrm{moment}. \\ $$$$\mathrm{it}\:\mathrm{makes}\:\mathrm{no}\:\mathrm{sense}\:\mathrm{to}\:\mathrm{search}\:\mathrm{for}\:``\mathrm{unanswered} \\ $$$$\mathrm{questions}''\:\mathrm{anymore}.\:\mathrm{maybe}\:\mathrm{we}\:\mathrm{need}\:\mathrm{a}\:\mathrm{search} \\ $$$$\mathrm{function}\:\mathrm{for}\:``\mathrm{uncommented}\:\mathrm{questions}''\:\mathrm{soon}. \\ $$$$\mathrm{Thank}\:\mathrm{you} \\ $$

Question Number 101514 Answers: 2 Comments: 4