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Category: Algebra

Question-28190

Question Number 28190 by ajfour last updated on 21/Jan/18 Commented by ajfour last updated on 21/Jan/18 $${Q}.\:\mathrm{28188}\:\:\:\left({solution}\right) \\ $$$${find}\:{least}\:{value}\:{of}\:\left[\mid{z}_{\mathrm{1}} +{z}_{\mathrm{2}} \mid\right]+\mathrm{1} \\ $$$${if}\:\:{z}_{\mathrm{1}} ,\:{z}_{\mathrm{2}} ,\:{z}_{\mathrm{3}}…

hi-solve-in-IN-IN-this-one-x-1-y-2-2xy-thanks-

Question Number 159249 by henderson last updated on 14/Nov/21 $$\boldsymbol{\mathrm{hi}}\:! \\ $$$$\boldsymbol{\mathrm{solve}}\:\boldsymbol{\mathrm{in}}\:\boldsymbol{\mathrm{IN}}×\boldsymbol{\mathrm{IN}}\:\boldsymbol{\mathrm{this}}\:\boldsymbol{\mathrm{one}}\::\:\left(\boldsymbol{{x}}+\mathrm{1}\right)\left(\boldsymbol{{y}}+\mathrm{2}\right)=\mathrm{2}\boldsymbol{{xy}}. \\ $$$$\boldsymbol{\mathrm{thanks}}. \\ $$ Answered by FongXD last updated on 14/Nov/21 $$\Leftrightarrow\:\mathrm{2x}+\mathrm{2}+\left(\mathrm{x}+\mathrm{1}\right)\mathrm{y}=\mathrm{2xy} \\…

if-the-sum-of-root-7x-px-q-0-is-7-then-p-

Question Number 28174 by ktomboy1992 last updated on 21/Jan/18 $$\mathrm{if}\:\mathrm{the}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{root}\:\mathrm{7x}+\mathrm{px}−\mathrm{q}=\mathrm{0}\:\mathrm{is}\:\mathrm{7}\:\mathrm{then}\:\mathrm{p}= \\ $$$$?? \\ $$ Commented by Rasheed.Sindhi last updated on 21/Jan/18 $$\mathrm{7x}^{\mathrm{2}} +\mathrm{px}−\mathrm{q}=\mathrm{0} \\ $$$$\mathrm{Sum}\:\mathrm{of}\:\mathrm{the}\:\mathrm{roots}=−\frac{\mathrm{p}}{\mathrm{7}}=\mathrm{7}…