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Question Number 58313 Answers: 2 Comments: 2

Question Number 54334 Answers: 1 Comments: 1

Question Number 54322 Answers: 3 Comments: 0

Question Number 54312 Answers: 1 Comments: 2

Question Number 54289 Answers: 2 Comments: 5

Question Number 54286 Answers: 2 Comments: 2

Question Number 54281 Answers: 0 Comments: 1

Question Number 54278 Answers: 0 Comments: 4

If f be n→n (n∈N) and is increasing, f(f(n))=3n; find f(2). options: 1, 2, 3,4 .

$${If}\:{f}\:{be}\:{n}\rightarrow{n}\:\:\:\left({n}\in\mathbb{N}\right)\:{and}\:{is}\:{increasing}, \\ $$$${f}\left({f}\left({n}\right)\right)=\mathrm{3}{n};\:{find}\:{f}\left(\mathrm{2}\right). \\ $$$${options}:\:\:\mathrm{1},\:\mathrm{2},\:\mathrm{3},\mathrm{4}\:. \\ $$

Question Number 54271 Answers: 1 Comments: 1

Question Number 54270 Answers: 2 Comments: 0

Find the equation to two circles which touch the x−axis at the origin and also touch the line 12x+5y=60

$${Find}\:{the}\:{equation}\:{to}\:{two} \\ $$$${circles}\:{which}\:{touch}\:{the}\: \\ $$$${x}−{axis}\:{at}\:{the}\:{origin} \\ $$$${and}\:{also}\:{touch}\:{the}\:{line} \\ $$$$\mathrm{12}{x}+\mathrm{5}{y}=\mathrm{60} \\ $$

Question Number 54268 Answers: 0 Comments: 1

Question Number 54259 Answers: 1 Comments: 1

Question Number 54258 Answers: 0 Comments: 1

Question Number 54273 Answers: 2 Comments: 0

Question Number 54248 Answers: 2 Comments: 1

Question Number 54242 Answers: 2 Comments: 0

Question Number 54240 Answers: 1 Comments: 1

Question Number 54239 Answers: 1 Comments: 0

Question Number 54229 Answers: 1 Comments: 1

Question Number 54226 Answers: 0 Comments: 4

Question Number 54224 Answers: 2 Comments: 4

∫_0 ^( (π/4)) ((sinx+cosx)/(16+9sin2x)) dx =?

$$\int_{\mathrm{0}} ^{\:\frac{\pi}{\mathrm{4}}} \frac{\mathrm{sin}{x}+\mathrm{cos}{x}}{\mathrm{16}+\mathrm{9sin2}{x}}\:{dx}\:=? \\ $$

Question Number 54219 Answers: 1 Comments: 0

tan^6 (π/9)−33 tan^4 (π/9)+27tan^2 (π/9) =

$$\mathrm{tan}^{\mathrm{6}} \:\frac{\pi}{\mathrm{9}}−\mathrm{33}\:\mathrm{tan}^{\mathrm{4}} \frac{\pi}{\mathrm{9}}+\mathrm{27tan}^{\mathrm{2}} \:\frac{\pi}{\mathrm{9}}\:=\: \\ $$

Question Number 54209 Answers: 2 Comments: 0

Question Number 54206 Answers: 1 Comments: 2

Question Number 54194 Answers: 1 Comments: 1

Question Number 54199 Answers: 0 Comments: 0

pls. am a new comer and i want to know how to draw diagrams especially moments of force.

$$\mathrm{pls}.\:\mathrm{am}\:\mathrm{a}\:\mathrm{new}\:\mathrm{comer}\:\mathrm{and}\:\mathrm{i}\:\mathrm{want}\:\mathrm{to}\: \\ $$$$\mathrm{know}\:\mathrm{how}\:\mathrm{to}\:\mathrm{draw}\:\mathrm{diagrams}\:\mathrm{especially}\:\mathrm{moments}\:\mathrm{of} \\ $$$$\mathrm{force}. \\ $$

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