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If-the-product-of-three-consecutive-prime-numbers-is-7-times-their-sum-what-is-the-prime-number-three-Ans-will-be-commented-by-me-after-someone-tried-to-ans-it-

Question Number 126079 by amns last updated on 17/Dec/20 $$\boldsymbol{\mathrm{If}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{product}}\:\boldsymbol{\mathrm{of}}\:\boldsymbol{\mathrm{three}}\:\boldsymbol{\mathrm{consecutive}}\:\boldsymbol{\mathrm{prime}}\:\boldsymbol{\mathrm{numbers}}\:\boldsymbol{\mathrm{is}}\:\mathrm{7}\:\boldsymbol{\mathrm{times}} \\ $$$$\boldsymbol{\mathrm{their}}\:\boldsymbol{\mathrm{sum}},\:\boldsymbol{\mathrm{what}}\:\boldsymbol{\mathrm{is}}\:\boldsymbol{\mathrm{the}}\:\boldsymbol{\mathrm{prime}}\:\boldsymbol{\mathrm{number}}\:\boldsymbol{\mathrm{three}}? \\ $$$$ \\ $$$$ \\ $$$$ \\ $$$$\left[{Ans}.\:{will}\:{be}\:{commented}\:{by}\:{me}\:{after}\:{someone}\:{tried}\:{to}\:{ans}.\:{it}\right] \\ $$ Commented by som(math1967)…

Tell-me-1-2-1-12-1-20-1-30-1-42-1-210-

Question Number 126078 by amns last updated on 17/Dec/20 $$\boldsymbol{\mathrm{Tell}}\:\boldsymbol{\mathrm{me}} \\ $$$$\frac{\mathrm{1}}{\mathrm{2}}\:−\:\frac{\mathrm{1}}{\mathrm{12}}\:−\:\frac{\mathrm{1}}{\mathrm{20}}\:−\:\frac{\mathrm{1}}{\mathrm{30}}\:−\:\frac{\mathrm{1}}{\mathrm{42}}\:−\:…..\:−\:\frac{\mathrm{1}}{\mathrm{210}}\:=\:? \\ $$ Commented by Dwaipayan Shikari last updated on 17/Dec/20 $$\frac{\mathrm{7}}{\mathrm{30}} \\ $$…

if-x-2-x-1-0-and-and-are-thd-roots-of-this-equation-then-evaluate-100-100-100-100-

Question Number 191611 by vishal1234 last updated on 27/Apr/23 $${if}\:{x}^{\mathrm{2}} −{x}+\mathrm{1}\:=\:\mathrm{0}\:{and}\:\alpha\:{and}\:\beta\:{are}\:{thd}\:{roots} \\ $$$${of}\:{this}\:{equation}\:{then}\:{evaluate}\:\frac{\alpha^{\mathrm{100}} +\beta^{\mathrm{100}} }{\alpha^{\mathrm{100}} −\beta^{\mathrm{100}} } \\ $$ Answered by mehdee42 last updated on…

Question-126046

Question Number 126046 by zakirullah last updated on 16/Dec/20 Commented by zakirullah last updated on 16/Dec/20 $$\boldsymbol{{please}}\:\boldsymbol{{help}}? \\ $$$$\:\:\:\boldsymbol{{A}}\:\boldsymbol{{quantity}}\:\boldsymbol{{of}}\:\boldsymbol{{tea}}\:\boldsymbol{{is}}\:\boldsymbol{{sold}}\:\boldsymbol{{at}}\:\boldsymbol{{Rs}}\:\mathrm{48}\:\boldsymbol{{per}}\:\boldsymbol{{kg}} \\ $$$$\boldsymbol{{at}}\:\boldsymbol{{a}}\:\boldsymbol{{profit}}\:\boldsymbol{{of}}\:\mathrm{20\%}\:.\:\boldsymbol{{the}}\:\boldsymbol{{total}}\:\boldsymbol{{gain}}\:\boldsymbol{{is}}\:\mathrm{90}. \\ $$$$\boldsymbol{{what}}\:\boldsymbol{{is}}\:\boldsymbol{{the}}\:\boldsymbol{{quantity}}\:\boldsymbol{{of}}\:\boldsymbol{{tea}}? \\ $$…

f-x-x-n-find-A-f-1-f-1-1-f-1-2-f-1-3-f-n-1-n-

Question Number 191582 by Matica last updated on 26/Apr/23 $$\:\:{f}\left({x}\right)={x}^{{n}} \:.\:\:{find}\: \\ $$$$\:\:\:{A}={f}\left(\mathrm{1}\right)+\frac{{f}^{'} \left(\mathrm{1}\right)}{\mathrm{1}}+\frac{{f}^{''} \left(\mathrm{1}\right)}{\mathrm{2}}+\frac{{f}^{'''} \left(\mathrm{1}\right)}{\mathrm{3}}+…+\frac{{f}^{\left({n}\right)} \left(\mathrm{1}\right)}{{n}} \\ $$ Answered by aleks041103 last updated on…

Question-60510

Question Number 60510 by aliesam last updated on 21/May/19 Commented by maxmathsup by imad last updated on 21/May/19 $${let}\:{A}\:=\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{cos}\left({xt}\right)}{{ch}\left({t}\right)}\:{dt}\:\Rightarrow\:{A}\:=\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{cos}\left({xt}\right)}{\frac{{e}^{{t}} \:+{e}^{−{t}} }{\mathrm{2}}}\:{dt}…