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Author: Tinku Tara

Question-198266

Question Number 198266 by Mingma last updated on 15/Oct/23 Answered by mr W last updated on 16/Oct/23 $${a}\left(−\mathrm{4}{x}+\mathrm{3}{y}+\mathrm{4}{z}−\mathrm{3}\right)+{b}\left(−\mathrm{2}{x}+\mathrm{4}{y}+\mathrm{5}{z}−\mathrm{5}\right)=\mathrm{10}{x}−\mathrm{11}{y}+{hz}−{k} \\ $$$$\left(−\mathrm{4}{a}−\mathrm{2}{b}−\mathrm{10}\right){x}+\left(\mathrm{3}{a}+\mathrm{4}{b}+\mathrm{11}\right){y}+\left(\mathrm{4}{a}+\mathrm{5}{b}−{h}\right){z}−\mathrm{3}{a}−\mathrm{5}{b}+{k}=\mathrm{0} \\ $$$$−\mathrm{4}{a}−\mathrm{2}{b}−\mathrm{10}=\mathrm{0} \\ $$$$\mathrm{3}{a}+\mathrm{4}{b}+\mathrm{11}=\mathrm{0} \\…

Question-198235

Question Number 198235 by MASANJAJJ last updated on 15/Oct/23 Answered by Rasheed.Sindhi last updated on 15/Oct/23 $${y}={m}\angle{B}\:\:\:\:\:\:\:\left[{Corresponding}\:{angles}\right] \\ $$$${x}={m}\angle{A}\:\:\:\:\:\:\left[{Alternative}\:{angles}\right] \\ $$$${z}={m}\angle{ACB}\:\:\:\left[{Same}\:{angles}\right] \\ $$$${x}+{y}+{z}={m}\angle{A}+{m}\angle{B}+{m}\angle{ACB}=\mathrm{180}°\:\left[{Angles}\:{of}\:{triangle}\right] \\ $$$$…

help-i-j-k-est-une-base-orthonormee-A-B-C-et-D-sont-des-points-de-l-espace-tels-que-AB-i-j-k-AC-2i-3j-k-AD-i-2j-2k-Determine-tous-les-poin

Question Number 198260 by maths_plus last updated on 15/Oct/23 $$\mathrm{help}\:! \\ $$$$\left(\overset{\rightarrow} {{i}},\overset{\rightarrow} {{j}},\overset{\rightarrow} {{k}}\right)\:\mathrm{est}\:\mathrm{une}\:\mathrm{base}\:\mathrm{orthonormee}. \\ $$$$\mathrm{A},\:\mathrm{B},\:\mathrm{C}\:\mathrm{et}\:\mathrm{D}\:\mathrm{sont}\:\mathrm{des}\:\mathrm{points}\:\mathrm{de}\:\mathrm{l}'\mathrm{espace} \\ $$$$\mathrm{tels}\:\mathrm{que}\::\: \\ $$$$\overset{\rightarrow} {\mathrm{AB}}=\overset{\rightarrow} {{i}}+\overset{\rightarrow} {{j}}+\overset{\rightarrow} {{k}}…

Question-198263

Question Number 198263 by SANOGO last updated on 15/Oct/23 Answered by witcher3 last updated on 16/Oct/23 $$\mathrm{d}_{\mathrm{w}} \left(\mathrm{f},\mathrm{g}\right)=\mathrm{d}_{\mathrm{w}} \left(\mathrm{g},\mathrm{f}\right) \\ $$$$\mathrm{d}_{\mathrm{w}} \left(\mathrm{f},\mathrm{g}\right)+\mathrm{d}_{\mathrm{w}} \left(\mathrm{f},\mathrm{h}\right)\geqslant\mathrm{d}_{\mathrm{w}} \left(\mathrm{g},\mathrm{h}\right) \\…