Question and Answers Forum

All Questions Topic List

AllQuestion and Answers: Page 336

Question Number 181973 Answers: 0 Comments: 1

please how can I get the proofs of the Putnam competition in pdf format?

$$ \\ $$please how can I get the proofs of the Putnam competition in pdf format?

Question Number 181971 Answers: 1 Comments: 0

How many words can be formed from different letters of the “Your answer is wrong” with not repeating? So that they shouldn′t start with ′o′ neither ′w′ and shouldn′t end with ′w′, and should be′r′ & ′s′ adjacents. Oya...n, Wen...y, Iog...w , Yourws...e : are invalid Enrsow...g : is valid Q.180162

$${How}\:{many}\:{words}\:{can}\:{be}\:{formed}\:{from}\:{different} \\ $$$${letters}\:{of}\:{the}\:``{Your}\:{answer}\:{is}\:{wrong}''\:{with}\:{not} \\ $$$${repeating}?\:{So}\:{that}\:{they}\:{shouldn}'{t}\:{start}\:{with}\:'{o}'\: \\ $$$$\:{neither}\:'{w}'\:{and}\:{shouldn}'{t}\:{end}\:{with}\:'{w}',\:{and} \\ $$$$\:{should}\:{be}'{r}'\:\&\:'{s}'\:{adjacents}. \\ $$$$ \\ $$$$\:\cancel{{O}ya}...{n},\:\cancel{{W}en}...{y},\:{Iog}...\cancel{{w}}\:,\:{You}\cancel{{r}w}\cancel{{s}}...{e}\:\::\:{are}\:{invalid} \\ $$$$\:{Enrsow}...{g}\::\:{is}\:{valid} \\ $$$${Q}.\mathrm{180162} \\ $$

Question Number 181945 Answers: 1 Comments: 0

Question Number 181939 Answers: 2 Comments: 0

If 10 different balls are to be placed in 4 boxes at random , then the probability that two of these boxes contain exactly 2 and 3 balls

$${If}\:\mathrm{10}\:{different}\:{balls}\:{are}\:{to}\:{be}\:{placed} \\ $$$${in}\:\mathrm{4}\:{boxes}\:{at}\:{random}\:,\:{then}\:{the}\:{probability} \\ $$$${that}\:{two}\:{of}\:{these}\:{boxes}\:{contain} \\ $$$${exactly}\:\mathrm{2}\:{and}\:\mathrm{3}\:{balls}\: \\ $$

Question Number 181952 Answers: 0 Comments: 0

Question Number 181954 Answers: 3 Comments: 0

Question Number 181923 Answers: 1 Comments: 0

Question Number 181935 Answers: 2 Comments: 0

Question Number 181918 Answers: 4 Comments: 0

Question Number 181917 Answers: 0 Comments: 1

Question Number 181903 Answers: 1 Comments: 0

Question Number 181902 Answers: 3 Comments: 0

Question Number 181901 Answers: 0 Comments: 0

Question Number 181897 Answers: 2 Comments: 0

Question Number 181875 Answers: 4 Comments: 3

if a+b+c=0, find the maximum of ((∣a+2b+3c∣)/( (√(a^2 +b^2 +c^2 )))).

$${if}\:{a}+{b}+{c}=\mathrm{0},\:{find}\:{the}\:{maximum}\:{of} \\ $$$$\frac{\mid{a}+\mathrm{2}{b}+\mathrm{3}{c}\mid}{\:\sqrt{{a}^{\mathrm{2}} +{b}^{\mathrm{2}} +{c}^{\mathrm{2}} }}. \\ $$

Question Number 181872 Answers: 1 Comments: 0

∫_(−1) ^4 (1/(∣x∣)) dx

$$\underset{−\mathrm{1}} {\overset{\mathrm{4}} {\int}}\frac{\mathrm{1}}{\mid{x}\mid}\:{dx} \\ $$

Question Number 181869 Answers: 0 Comments: 1

Question Number 181863 Answers: 0 Comments: 0

cos 56°. cos (2.56°). cos (2^2 .56°). cos (2^3 .56°)... cos (2^(23) .56°)=?

$$\:\mathrm{cos}\:\mathrm{56}°.\:\mathrm{cos}\:\left(\mathrm{2}.\mathrm{56}°\right).\:\mathrm{cos}\:\left(\mathrm{2}^{\mathrm{2}} .\mathrm{56}°\right).\:\mathrm{cos}\:\left(\mathrm{2}^{\mathrm{3}} .\mathrm{56}°\right)...\:\mathrm{cos}\:\left(\mathrm{2}^{\mathrm{23}} .\mathrm{56}°\right)=? \\ $$

Question Number 181858 Answers: 2 Comments: 0

Question Number 181857 Answers: 1 Comments: 0

Question Number 181853 Answers: 0 Comments: 3

∫ cos^(−1) (tan^3 (tan(x))) dx= ?

$$\: \\ $$$$\int\:\boldsymbol{\mathrm{cos}}^{−\mathrm{1}} \left(\boldsymbol{\mathrm{tan}}^{\mathrm{3}} \left(\boldsymbol{\mathrm{tan}}\left(\boldsymbol{\mathrm{x}}\right)\right)\right)\:\boldsymbol{\mathrm{dx}}=\:? \\ $$$$ \\ $$$$ \\ $$$$ \\ $$

Question Number 181852 Answers: 2 Comments: 0

Question Number 181851 Answers: 0 Comments: 0

∫ arccos(tg^3 (tg(x))) dx=?

$$\:\:\:\int\:\boldsymbol{\mathrm{arccos}}\left(\boldsymbol{\mathrm{tg}}^{\mathrm{3}} \left(\boldsymbol{\mathrm{tg}}\left(\boldsymbol{\mathrm{x}}\right)\right)\right)\:\boldsymbol{\mathrm{dx}}=? \\ $$

Question Number 181841 Answers: 3 Comments: 0

what is larger, (√(11))+(√(13)) or 7?

$${what}\:{is}\:{larger},\:\sqrt{\mathrm{11}}+\sqrt{\mathrm{13}}\:{or}\:\mathrm{7}? \\ $$

Question Number 181840 Answers: 0 Comments: 3

∫_(−1) ^4 ln x dx

$$\underset{−\mathrm{1}} {\overset{\mathrm{4}} {\int}}{ln}\:{x}\:{dx} \\ $$

Question Number 181839 Answers: 1 Comments: 5

Pg 331 Pg 332 Pg 333 Pg 334 Pg 335 Pg 336 Pg 337 Pg 338 Pg 339 Pg 340

Terms of Service

Contact: info@tinkutara.com