Menu Close

Category: Algebra

what-is-the-coefficient-of-x-5-in-the-expansion-1-x-2-1-x-4-

Question Number 93446 by i jagooll last updated on 13/May/20 $$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{coefficient}\:\mathrm{of}\:\mathrm{x}^{\mathrm{5}} \\ $$$$\mathrm{in}\:\mathrm{the}\:\mathrm{expansion}\:\left(\mathrm{1}+\mathrm{x}^{\mathrm{2}} \right)\left(\mathrm{1}+\mathrm{x}\right)^{\mathrm{4}} \\ $$ Commented by john santu last updated on 13/May/20 $$\mathrm{in}\:\mathrm{a}\:\mathrm{long}\:\mathrm{way}\:…

Question-93439

Question Number 93439 by i jagooll last updated on 13/May/20 Answered by niroj last updated on 13/May/20 $$\:\mathrm{a}^{\mathrm{2}} +\mathrm{b}^{\mathrm{2}} =\mathrm{2a}−\frac{\mathrm{8b}+\mathrm{1}}{\mathrm{4b}^{\mathrm{2}} } \\ $$$$\:\:\mathrm{6b}^{\mathrm{2}} +\mathrm{5a}=? \\…