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Question Number 173706 Answers: 2 Comments: 1

Question Number 173697 Answers: 1 Comments: 0

Question Number 173696 Answers: 0 Comments: 0

Question Number 173695 Answers: 1 Comments: 0

Question Number 176812 Answers: 1 Comments: 1

tan(a−b)=x and tan(a+b)=y then tan2α=?

$${tan}\left({a}−{b}\right)={x}\:\:\:\:{and}\:\:\:{tan}\left({a}+{b}\right)={y} \\ $$$${then}\:\:\:\:{tan}\mathrm{2}\alpha=? \\ $$

Question Number 176811 Answers: 0 Comments: 1

Question Number 176806 Answers: 0 Comments: 0

Σ_(k=0) ^(2n) cos^(2n) (θ+((kπ)/(2n)))

$$\underset{{k}=\mathrm{0}} {\overset{\mathrm{2}{n}} {\sum}}{cos}^{\mathrm{2}{n}} \left(\theta+\frac{{k}\pi}{\mathrm{2}{n}}\right) \\ $$

Question Number 176821 Answers: 0 Comments: 2

Question Number 176820 Answers: 0 Comments: 20

Question Number 173687 Answers: 2 Comments: 0

Q : ((ln(a ))/(c−b)) =((ln(b))/(a−c)) = ((ln(c))/(b−a)) ⇒ a^( a) . b^( b) . c^( c) =?

$$ \\ $$$$\:\:\:{Q}\::\:\:\:\:\:\frac{{ln}\left({a}\:\right)}{{c}−{b}}\:=\frac{{ln}\left({b}\right)}{{a}−{c}}\:=\:\frac{{ln}\left({c}\right)}{{b}−{a}} \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\Rightarrow\:\:\:{a}^{\:{a}} .\:{b}^{\:{b}} .\:{c}^{\:{c}} \:=? \\ $$$$ \\ $$

Question Number 176083 Answers: 2 Comments: 0

can you find f(x)? f(x)−f(1−x)= x

$${can}\:{you}\:{find}\:{f}\left({x}\right)? \\ $$$${f}\left({x}\right)−{f}\left(\mathrm{1}−{x}\right)=\:{x} \\ $$

Question Number 173678 Answers: 3 Comments: 0

if f(x) is 2^(nd) digre function f(x−1)+f(x)+f(x+1)=x^2 +1 then faind f(2)=?

$${if}\:{f}\left({x}\right)\:{is}\:\mathrm{2}^{{nd}} \:{digre}\:{function}\:\:\: \\ $$$${f}\left({x}−\mathrm{1}\right)+{f}\left({x}\right)+{f}\left({x}+\mathrm{1}\right)={x}^{\mathrm{2}} +\mathrm{1} \\ $$$${then}\:{faind}\:\:{f}\left(\mathrm{2}\right)=? \\ $$

Question Number 173677 Answers: 0 Comments: 2

Find tangent equation of two circles : L_1 : (x−5)^2 + (y+1)^2 = 9 L_2 : (x+4)^2 + (y−11)^2 = 144

$$\mathrm{Find}\:\:\mathrm{tangent}\:\:\mathrm{equation}\:\:\mathrm{of}\:\: \\ $$$$\mathrm{two}\:\:\mathrm{circles}\:: \\ $$$${L}_{\mathrm{1}} \::\:\left({x}−\mathrm{5}\right)^{\mathrm{2}} \:+\:\left({y}+\mathrm{1}\right)^{\mathrm{2}} \:=\:\mathrm{9} \\ $$$${L}_{\mathrm{2}} \::\:\left({x}+\mathrm{4}\right)^{\mathrm{2}} \:+\:\left({y}−\mathrm{11}\right)^{\mathrm{2}} \:=\:\mathrm{144} \\ $$

Question Number 173668 Answers: 3 Comments: 1

Question Number 181426 Answers: 1 Comments: 1

Question Number 181424 Answers: 1 Comments: 1

Question Number 173661 Answers: 0 Comments: 0

Question Number 173652 Answers: 1 Comments: 3

Question Number 173645 Answers: 0 Comments: 3

Question Number 173644 Answers: 1 Comments: 0

Question Number 173643 Answers: 0 Comments: 0

Question Number 181581 Answers: 1 Comments: 0

Question Number 181579 Answers: 1 Comments: 1

((x)^(1/3) )^(−2+log_x 11) =11 x=?

$$\left(\sqrt[{\mathrm{3}}]{{x}}\right)^{−\mathrm{2}+{log}_{{x}} \mathrm{11}} =\mathrm{11} \\ $$$${x}=? \\ $$

Question Number 176816 Answers: 3 Comments: 4

Question Number 173630 Answers: 0 Comments: 2

(x+4)^2 =x^((x+2)) Please Help...

$$\left({x}+\mathrm{4}\right)^{\mathrm{2}} ={x}^{\left({x}+\mathrm{2}\right)} \\ $$$${Please}\:\:{Help}... \\ $$

Question Number 173629 Answers: 2 Comments: 2

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