Category: Algebra

Question Number 83608 by john santu last updated on 04/Mar/20 $$\sqrt[4]{17+\mathrm{x}}+\sqrt[4]{17-\mathrm{x}}=2$$$$\mathrm{find}\mathrm{x}$$ Commented by mr W last updated on 04/Mar/20 $${LHS}\geqslant\sqrt[{\mathrm{4}}]{\mathrm{2}×\mathrm{17}}>\sqrt[{\mathrm{4}}]{\mathrm{2}×\mathrm{16}}>\sqrt[{\mathrm{4}}]{\mathrm{16}}=\mathrm{2}={RHS} \…

Question Number 149140 by mathdanisur last updated on 03/Aug/21 $$\{\begin{array}{l}\mid x\mid +y-1=0\\ x-y-1=0\end{array}\Rightarrow 2x-3y=?$$ Commented by liberty last updated on 03/Aug/21 $$\mathrm{y}=\mathrm{x}-1$$$$\Rightarrow \mid \mathrm{x}\mid +\mathrm{x}-2=0$$$$\mathrm{case}\left(\mathrm{1}\right)\:\mathrm{x}<\mathrm{0}\:\Rightarrow−\mathrm{x}+\mathrm{x}−\mathrm{2}=\mathrm{0}\:,\mathrm{no}\:\mathrm{solution} \…

Question Number 149142 by mathdanisur last updated on 03/Aug/21 $$ifz+\mid z\mid =1+\sqrt{3}\mathit{i}$$$$find\mathit{\phi }=?$$ Answered by liberty last updated on 03/Aug/21 $$\mathrm{z}=\mathrm{a}+\mathrm{b}i$$$$\mid\mathrm{z}\mid=\sqrt{\mathrm{a}^{\mathrm{2}} +\mathrm{b}^{\mathrm{2}}…

Question Number 149129 by Samimsultani last updated on 03/Aug/21 Commented by ajfour last updated on 03/Aug/21 $${isn}^{\prime }t\mathbf{÷}sameas/$$ Answered by puissant last updated on…

Question Number 149128 by liberty last updated on 03/Aug/21 $$$$does anyone in this group have monbusho test questions? Terms of Service Privacy Policy…