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 93446 by i jagooll last updated on 13/May/20

$$\mathrm{what}\mathrm{is}\mathrm{the}\mathrm{coefficient}\mathrm{of}{\mathrm{x}}^5$$$$\mathrm{in}\mathrm{the}\mathrm{expansion}(1+{\mathrm{x}}^2){(1+\mathrm{x})}^4$$

Commented by john santu last updated on 13/May/20

$$\mathrm{in}\mathrm{a}\mathrm{long}\mathrm{way}$$$$(1+{\mathrm{x}}^2)({\mathrm{x}}^4+{4\mathrm{x}}^3+{6\mathrm{x}}^2+4\mathrm{x}+1)$$$$\mathrm{so}\mathrm{that}\mathrm{cofficient}\mathrm{of}{\mathrm{x}}^5=4.$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com