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Question Number 127277 by Khalmohmmad last updated on 28/Dec/20 $${A}=\begin{bmatrix}{\mathrm{1}\:\:\:\mathrm{2}\:\:\:\:\:\mathrm{3}}\\{\mathrm{2}\:\:\:\mathrm{3}\:\:\:\:\:\mathrm{1}}\\{\mathrm{3}\:\:\:\:\mathrm{2}\:\:\:\:\mathrm{1}}\end{bmatrix} \\ $$$${det}\left({M}_{\mathrm{33}} \right)^{{T}} =? \\ $$ Answered by liberty last updated on 28/Dec/20 $${what}\:{the}\:{meaning}\:{M}_{\mathrm{33}} \:?\:{Minor}?…
Question Number 61738 by rajesh4661kumar@gamil.com last updated on 07/Jun/19 Answered by MJS last updated on 07/Jun/19 $$\mathrm{strictly}\:\mathrm{logical} \\ $$$$\:\:\:\:{A}\:\:\:\:\:\:\:\:\:\:{B}\:\:\:\:\:\:\:\:\:\:{A}\Rightarrow{B} \\ $$$${false}\:\:\:{false}\:\:\:\:\:\:\:\:{true} \\ $$$${false}\:\:\:\:{true}\:\:\:\:\:\:\:\:\:{true} \\ $$$$\:{true}\:\:\:\:{false}\:\:\:\:\:\:\:{false}…
Question Number 127271 by Jamshidbek last updated on 28/Dec/20 Commented by MJS_new last updated on 28/Dec/20 $$\mathrm{no}\:“\mathrm{nice}''\:\mathrm{exact}\:\mathrm{solution},\:\mathrm{better}\:\mathrm{solve}\:\mathrm{approximately} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 192797 by York12 last updated on 27/May/23 $$\boldsymbol{{If}}\:\boldsymbol{{x}}\:\&\:\boldsymbol{{y}}\:\boldsymbol{{are}}\:\boldsymbol{{both}}\:\boldsymbol{{positive}}\:\boldsymbol{{integers}}\:\boldsymbol{{then}} \\ $$$$\boldsymbol{{then}}\:\boldsymbol{{show}}\:\boldsymbol{{if}}\:\boldsymbol{{it}}\:\boldsymbol{{possiple}}\:\boldsymbol{{that}}\:\boldsymbol{{x}}^{\mathrm{2}} +\boldsymbol{{y}}+\mathrm{1}\:\&\:\boldsymbol{{y}}^{\mathrm{2}} \:+\:\mathrm{4}\boldsymbol{{x}}\:+\:\mathrm{3}\:\boldsymbol{{be}}\:\boldsymbol{{both}}\: \\ $$$$\boldsymbol{{perfect}}\:\boldsymbol{{squares}}\:\boldsymbol{{simultaneously}}. \\ $$ Answered by witcher3 last updated on 27/May/23…
Question Number 192803 by mokys last updated on 27/May/23 Commented by mokys last updated on 28/May/23 $$?????? \\ $$ Answered by MM42 last updated on…
Question Number 127261 by mohammad17 last updated on 28/Dec/20 $${for}\:{any}\:{complex}\:{number}\:{if}\:{im}\left({z}\right)>\mathrm{0} \\ $$$${then}\:{im}\left(\frac{\mathrm{1}}{{z}}\right)>\mathrm{0}\:\:\:\:{prove}\:{this}\:? \\ $$ Commented by mr W last updated on 28/Dec/20 $${wrong}! \\ $$$${if}\:{im}\left({z}\right)>\mathrm{0}\:{then}\:{im}\left(\frac{\mathrm{1}}{{z}}\right)<\mathrm{0}.…
Question Number 61724 by aliesam last updated on 07/Jun/19 $$\underset{{n}\geqslant\mathrm{0}} {\sum}{n}^{\mathrm{2}} {x}^{{n}} \\ $$$$ \\ $$ Commented by maxmathsup by imad last updated on 07/Jun/19…
Question Number 127250 by joki last updated on 28/Dec/20 $$\int\mathrm{sin}^{\mathrm{4}} \mathrm{x}\:\mathrm{dx} \\ $$ Answered by Dwaipayan Shikari last updated on 28/Dec/20 $$\int{sin}^{\mathrm{2}} {x}\left(\mathrm{1}−{cos}^{\mathrm{2}} {x}\right){dx} \\…