Question and Answers Forum

All Questions      Topic List

Algebra Questions

Previous in All Question      Next in All Question      

Previous in Algebra      Next in Algebra      

Question Number 185536 by mathlove last updated on 23/Jan/23

x^4 +x^(ln5) =19  x^(lnx) +ln^2 x=4  x=?

$${x}^{\mathrm{4}} +{x}^{{ln}\mathrm{5}} =\mathrm{19} \\ $$$${x}^{{lnx}} +{ln}^{\mathrm{2}} {x}=\mathrm{4} \\ $$$${x}=? \\ $$

Commented by Frix last updated on 23/Jan/23

Approximate with a calculator

$$\mathrm{Approximate}\:\mathrm{with}\:\mathrm{a}\:\mathrm{calculator} \\ $$

Answered by MJS_new last updated on 23/Jan/23

the solution of the 1^(st)  equation is not the  same as the solution of the 2^(nd)  equation

$$\mathrm{the}\:\mathrm{solution}\:\mathrm{of}\:\mathrm{the}\:\mathrm{1}^{\mathrm{st}} \:\mathrm{equation}\:\mathrm{is}\:\mathrm{not}\:\mathrm{the} \\ $$$$\mathrm{same}\:\mathrm{as}\:\mathrm{the}\:\mathrm{solution}\:\mathrm{of}\:\mathrm{the}\:\mathrm{2}^{\mathrm{nd}} \:\mathrm{equation} \\ $$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com