Category: Logarithms

Question Number 144504 by alcohol last updated on 26/Jun/21 $$forwhatvaluesofbis$$$$ln(a-b)ln(a+b)⩽{ln}^{2}a$$$$Note:0⩽b<a$$ Terms of Service Privacy Policy Contact: info@tinkutara.com

Question Number 13151 by Tinkutara last updated on 15/May/17 Answered by mrW1 last updated on 16/May/17 $$x>9$$$$\log (2x-1)(x-9)>2$$$$(2x-1)(x-9)>100$$$$\mathrm{2}{x}^{\mathrm{2}} −\mathrm{19}{x}−\mathrm{91}>\mathrm{0} \…

Question Number 65930 by gunawan last updated on 06/Aug/19 $$\mathrm{If}t=\frac{x^2-3}{3x+7}\mathrm{then}$$$$\log (1-\mid t\mid )\mathrm{can}\mathrm{to}\mathrm{find}\mathrm{for}$$$$\mathrm{a}.2<x<6$$$$b.-2<x<5$$$$c.-2⩽x⩽6$$$$\mathrm{d}.x⩽-2\mathrm{or}x>6$$$$e.x<-1orx>3$$…

Question Number 131457 by pete last updated on 04/Feb/21 $$\mathrm{Find}x\mathrm{in}\mathrm{the}\mathrm{equation}{3}^{x+1}=4^{x-1}$$ Answered by bramlexs22 last updated on 05/Feb/21 $$\iff (x+1)\ln 3=(x-1)\ln 4$$$$\iff x(\ln 3-\ln 4)=-\ln 4-\ln 3$$$$\Leftrightarrow\:{x}\left(\mathrm{ln}\:\mathrm{4}−\mathrm{ln}\:\mathrm{3}\right)=\mathrm{ln}\:\mathrm{4}+\mathrm{ln}\:\mathrm{3}…

Question Number 223 by 123456 last updated on 25/Jan/15 $$\ln \left(e^2\right)+{\log }_{10}\left(100\right)$$ Answered by ghosea last updated on 16/Dec/14 $$\mathrm{ln}\:{e}^{\mathrm{2}} +\mathrm{log}_{\mathrm{10}} \mathrm{10}^{\mathrm{2}} =\mathrm{2}+\mathrm{2}=\mathrm{4}…