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 201237 by mnjuly1970 last updated on 02/Dec/23

$$$$$$If,a\mid 5b^2-10b+1$$$$\Rightarrow {[a,5b]}_{\mathrm{lc}m}=?$$$$$$$$$$

Commented by deleteduser1 last updated on 02/Dec/23

$$lcd?$$

Commented by Rasheed.Sindhi last updated on 02/Dec/23

$$5ab?$$

Commented by mnjuly1970 last updated on 02/Dec/23

$$lcm...$$

Answered by witcher3 last updated on 02/Dec/23

$$\iff \mathrm{\exists }\mathrm{k}\in \mathbb{Z}\mid 5\mathrm{b}(\mathrm{b}-10)+\mathrm{ka}=1$$$$\Rightarrow \gcd (\mathrm{a},5\mathrm{b})=1\Rightarrow \mathrm{lcd}(\mathrm{a},5\mathrm{b})=\frac{\mathrm{a}.5\mathrm{b}}{1}=5\mathrm{ab}$$

Commented by deleteduser1 last updated on 02/Dec/23

$$lcmorlcd?$$

Commented by witcher3 last updated on 02/Dec/23

$$\mathrm{we}\mathrm{use}\gcd \mathrm{and}\mathrm{lcm}$$$$\mathrm{lcd}=\gcd ?$$$$\mathrm{greteset}\mathrm{comun}\mathrm{divisor}=\gcd$$$$\mathrm{lcd}=...?$$$$\mathrm{im}\mathrm{fench}\mathrm{not}\mathrm{sam}\mathrm{notation}$$

Terms of Service

Privacy Policy

Contact: info@tinkutara.com