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Category: Algebra

Question-218328

Question Number 218328 by hardmath last updated on 06/Apr/25 Answered by vnm last updated on 08/Apr/25 $$ \\ $$$$\mathrm{Let}\:\mathrm{us}\:\mathrm{introduce}\:\mathrm{a}\:\mathrm{coordinate} \\ $$$$\mathrm{system}\:\mathrm{in}\:\mathrm{which}\:\mathrm{the}\:\mathrm{OX}\:\mathrm{axis}\:\mathrm{is} \\ $$$$\mathrm{co}−\mathrm{directed}\:\mathrm{with}\:\mathrm{the}\:\mathrm{vector}\:\mathrm{AC} \\ $$$$\mathrm{and}\:\mathrm{the}\:\mathrm{origin}\:\mathrm{is}\:\mathrm{in}\:\mathrm{the}\:\mathrm{middle}\:…

Question-218262

Question Number 218262 by hardmath last updated on 03/Apr/25 Commented by hardmath last updated on 03/Apr/25 $$\mathrm{ABCD}\:-\:\mathrm{Rectangular} \\ $$$$\mathrm{AK}\:\bot\:\mathrm{BM} \\ $$$$\mathrm{S}_{\bigtriangleup\boldsymbol{\mathrm{AKB}}} \:=\:\mathrm{S}_{\bigtriangleup\boldsymbol{\mathrm{BMC}}} \:=\:\mathrm{S}_{\boldsymbol{\mathrm{AKMD}}} \\ $$$$\mathrm{DM}\:=\:\boldsymbol{\mathrm{a}}…