Category: Algebra

Question Number 81523 by Power last updated on 13/Feb/20 Commented by mr W last updated on 14/Feb/20 $$=100$$ Commented by Power last updated…

Question Number 81507 by Power last updated on 13/Feb/20 Commented by mr W last updated on 13/Feb/20 $$wehave\frac{2n+1}{n^2{(n+1)}^2}=\frac{1}{n^2}-\frac{1}{{(n+1)}^2}$$$$ \…

Question Number 147011 by mathdanisur last updated on 17/Jul/21 $$2x-\sqrt{2x-3}-9=0$$$$if{there}^{\prime }s\mathit{a}solutiontoequation,$$$$find4\mathit{a}+3=?$$ Commented by 7770 last updated on 17/Jul/21 $$\:\mathrm{4}\boldsymbol{{x}}^{\mathrm{2}} −\mathrm{36}\boldsymbol{{x}}+\mathrm{81}−\mathrm{2}\boldsymbol{{x}}+\mathrm{3}=\mathrm{0}…

Question Number 146988 by mathdanisur last updated on 16/Jul/21 $$if\frac{{\mathit{z}}^2+4}{\mathit{z}-2\mathit{i}}=-5+10\mathit{i}$$$$findRe\left(Z\right)+Im\left(Z\right)=?$$ Commented by aliibrahim1 last updated on 17/Jul/21 $${z}^{\mathrm{2}} +\mathrm{4}=\left({z}−\mathrm{2}{i}\right)\left({z}+\mathrm{2}{i}\right) \…

Question Number 15916 by tawa tawa last updated on 15/Jun/17 Commented by tawa tawa last updated on 15/Jun/17 $$6\mathrm{a}\mathrm{and}\mathrm{b}$$ Commented by tawa tawa…