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Author: Tinku Tara

log-2-5-2-2-4-

Question Number 139744 by mathocean1 last updated on 30/Apr/21 $${log}_{\mathrm{2}} \left(\mathrm{5}^{\mathrm{2}} ×\mathrm{2}^{\mathrm{4}} \right)=? \\ $$ Commented by mohammad17 last updated on 01/May/21 $$={log}_{\mathrm{2}} \left(\mathrm{5}^{\mathrm{2}} \right)+{log}_{\mathrm{2}}…

Question-8674

Question Number 8674 by tawakalitu last updated on 20/Oct/16 Answered by sandy_suhendra last updated on 21/Oct/16 $$\mathrm{when}\:\mathrm{series}\:: \\ $$$$\mathrm{C}_{\mathrm{1}} =\mathrm{0}.\mathrm{10}\:\mu\mathrm{F} \\ $$$$\mathrm{C}_{\mathrm{2}} =\mathrm{0}.\mathrm{20}\:\mu\mathrm{F} \\ $$$$\frac{\mathrm{1}}{\mathrm{C}_{\mathrm{series}}…

Question-139746

Question Number 139746 by mathlove last updated on 01/May/21 Answered by bramlexs22 last updated on 01/May/21 $$\mathrm{log}\:_{\mathrm{2}} \left(\mathrm{x}\right)=\mathrm{t} \\ $$$$\:\Rightarrow\mathrm{t}+\frac{\mathrm{1}}{\mathrm{t}}\:=\:\mathrm{e}+\mathrm{e}^{−\mathrm{1}} \\ $$$$\Rightarrow\mathrm{t}^{\mathrm{2}} −\left(\mathrm{e}+\mathrm{e}^{−\mathrm{1}} \right)\mathrm{t}+\mathrm{1}=\mathrm{0} \\…

A-man-invite-5-friends-choosen-from-10-for-a-diner-He-don-t-want-that-two-of-them-took-part-to-that-diner-The-number-of-ways-to-choose-her-friends-is-a-296-b-196-c-5-d-252-

Question Number 139741 by mathocean1 last updated on 30/Apr/21 $${A}\:{man}\:{invite}\:\mathrm{5}\:{friends}\:{choosen} \\ $$$${from}\:\mathrm{10}\:{for}\:{a}\:{diner}.\:{He}\:{don}'{t}\: \\ $$$${want}\:{that}\:{two}\:{of}\:{them}\:{took}\:{part} \\ $$$${to}\:{that}\:{diner}.\:{The}\:{number}\:{of} \\ $$$${ways}\:{to}\:{choose}\:{her}\:{friends}\:{is}: \\ $$$$\left.{a}\right)\mathrm{296} \\ $$$$\left.{b}\right)\mathrm{196} \\ $$$$\left.{c}\right)\mathrm{5} \\…

A-rectangular-blade-ABCD-is-hanged-up-on-A-If-AB-2-m-AD-3m-the-angle-between-AD-and-the-verticale-when-the-system-is-equilibred-is-a-56-3-b-Arcsin-2-3-c-41-8-d-33-7-

Question Number 139740 by mathocean1 last updated on 30/Apr/21 $${A}\:{rectangular}\:{blade}\:{ABCD}\:{is}\:{hanged}\:{up} \\ $$$${on}\:{A}.\:{If}\:{AB}=\mathrm{2}\:{m};\:{AD}=\mathrm{3}{m}\:,\:{the} \\ $$$${angle}\:{between}\:\left({AD}\right)\:{and}\:{the}\: \\ $$$${verticale}\:{when}\:{the}\:{system}\:{is}\: \\ $$$${equilibred}\:{is}: \\ $$$$\left.{a}\right)\mathrm{56}.\mathrm{3}\:° \\ $$$$\left.{b}\right){Arcsin}\frac{\mathrm{2}}{\mathrm{3}} \\ $$$$\left.{c}\right)\mathrm{41}.\mathrm{8}° \\…