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Author: Tinku Tara

solve-x-log-27-9-log-x-36-

Question Number 209341 by Tawa11 last updated on 07/Jul/24 $$\mathrm{solve}\:\:\:\:\mathrm{x}^{\mathrm{log}\:\mathrm{27}} \:\:+\:\:\mathrm{9}^{\mathrm{log}\:\mathrm{x}} \:\:=\:\:\:\mathrm{36} \\ $$ Answered by Frix last updated on 07/Jul/24 $${x}^{\mathrm{log}_{{b}} \:\mathrm{27}} ={x}^{\frac{\mathrm{3ln}\:\mathrm{3}}{\mathrm{ln}\:{b}}} \\…

Question-209342

Question Number 209342 by essaad last updated on 07/Jul/24 Answered by Berbere last updated on 07/Jul/24 $${U}_{{n}+\mathrm{1}} ={f}\left({U}_{{n}} \right) \\ $$$${x}\overset{{f}} {\rightarrow}\frac{{x}}{\mathrm{2}}+\frac{{x}^{\mathrm{2}} }{\mathrm{4}};{f}\:{increase} \\ $$$${f}\left(\left[\mathrm{0},\mathrm{1}\right]\right)=\left[\mathrm{0},\frac{\mathrm{3}}{\mathrm{4}}\right]\subset\left[\mathrm{0},\mathrm{1}\right]…

Question-209332

Question Number 209332 by efronzo1 last updated on 07/Jul/24 Answered by Frix last updated on 07/Jul/24 $${x}^{\mathrm{3}} −\mathrm{8}{x}^{\mathrm{2}} +\left(\mathrm{16}−{k}\right){x}=\mathrm{0} \\ $$$${x}_{\mathrm{1}} =\mathrm{0}\:\:{x}_{\mathrm{2}} =\mathrm{4}−\sqrt{{k}}\:\:{x}_{\mathrm{3}} =\mathrm{4}+\sqrt{{k}} \\…

Given-an-acute-triangle-with-AB-lt-AC-is-inscribed-in-the-circle-O-Let-D-and-E-be-the-midpoints-of-the-minor-arc-and-major-arc-BC-respectively-Let-I-and-J-be-the-incenters-of-trianges-ABD-and-AC

Question Number 209329 by Huy250 last updated on 07/Jul/24 $${Given}\:{an}\:{acute}\:{triangle}\:{with}\:{AB}\:<{AC} \\ $$$${is}\:{inscribed}\:{in}\:{the}\:{circle}\:\left({O}\right).\:{Let}\:{D} \\ $$$${and}\:{E}\:{be}\:{the}\:{midpoints}\:{of}\:{the}\:{minor}\:{arc} \\ $$$${and}\:{major}\:{arc}\:{BC},\:{respectively}.\:{Let}\:{I}\:{and}\:{J} \\ $$$${be}\:{the}\:{incenters}\:{of}\:{trianges}\:{ABD}\:{and}\:{ACD}, \\ $$$${respectively}.\:{Prove}\:{that}\:{EI}={EJ}. \\ $$ Commented by Huy250…

Question-209347

Question Number 209347 by RoseAli last updated on 07/Jul/24 Answered by Berbere last updated on 07/Jul/24 $$\int_{−\mathrm{4}} ^{\mathrm{4}} {f}\left({x}\right){dx}=\mathrm{2}\underset{\mathrm{0}} {\int}^{\mathrm{4}} {f}\left({x}^{\mathrm{2}} \right){dx} \\ $$$$\int_{\mathrm{0}} ^{\mathrm{4}}…

m-n-N-m-2-and-n-2-p-gt-0-and-q-gt-0-p-q-1-Prove-that-1-q-n-m-1-p-m-n-1-

Question Number 209309 by hardmath last updated on 06/Jul/24 $$\mathrm{m}\:,\:\mathrm{n}\:\in\:\mathbb{N} \\ $$$$\mathrm{m}\:\geqslant\:\mathrm{2}\:\:\:\mathrm{and}\:\:\:\mathrm{n}\:\geqslant\:\mathrm{2} \\ $$$$\mathrm{p}\:>\:\mathrm{0}\:\:\:\mathrm{and}\:\:\:\mathrm{q}\:>\:\mathrm{0} \\ $$$$\mathrm{p}\:+\:\mathrm{q}\:=\:\mathrm{1} \\ $$$$\mathrm{Prove}\:\mathrm{that}:\:\:\:\left(\mathrm{1}−\mathrm{q}^{\boldsymbol{\mathrm{n}}} \right)^{\boldsymbol{\mathrm{m}}} \:+\:\left(\mathrm{1}−\mathrm{p}^{\boldsymbol{\mathrm{m}}} \right)^{\boldsymbol{\mathrm{n}}} \:\geqslant\:\mathrm{1} \\ $$ Terms…