Category: Algebra

Question Number 25122 by math solver last updated on 04/Dec/17 $$3_{C_1}+4_{C_2}+5_{C_3}+\dots \dots \dots ..+{49}_{C_{47}}=?$$$$where{n}_{C_r}=\frac{n!}{r!\times (n-r)!}.$$…

Question Number 25113 by Mr easy last updated on 04/Dec/17 Commented by prakash jain last updated on 05/Dec/17 $${\left({\log }_{2}x\right)}^3+{\left({\log }_{2}y\right)}^3$$$$=\left(\mathrm{log}_{\mathrm{2}} {x}+\mathrm{log}_{\mathrm{2}}…

Question Number 25112 by Mr easy last updated on 04/Dec/17 Commented by prakash jain last updated on 04/Dec/17 $$\left({a}+{b}\right)^{\mathrm{2}{n}} =\underset{{i}=\mathrm{0}} {\overset{\mathrm{2}{n}} {\sum}}\:^{\mathrm{2}{n}} {C}_{{i}} {a}^{{i}} {b}^{\mathrm{2}{n}−{i}}…

Question Number 156176 by MathSh last updated on 08/Oct/21 Answered by ghimisi last updated on 09/Oct/21 $$\frac{a^2}{x^2}+\frac{1}{y^2}+\frac{c^2}{z^2}=36$$$$\left.\mathrm{36}\centerdot\mathrm{4}=\left(\frac{{a}^{\mathrm{2}} }{{x}^{\mathrm{2}}…

Question Number 156170 by MathSh last updated on 08/Oct/21 Answered by mindispower last updated on 09/Oct/21 $$Hellosirwitheresodue[theormisdiractly$$$$\frac{p\left(x\right)}{q\left(x\right)}=degq>deg\left(p\right)+1inthiscase$$$$$$$$$$…