Question Number 23871 by Tinkutara last updated on 08/Nov/17 $$\mathrm{Let}\:{ABC}\:\mathrm{be}\:\mathrm{a}\:\mathrm{triangle}\:\mathrm{and}\:{B}'\:\mathrm{be}\:\mathrm{the} \\ $$$$\mathrm{reflection}\:\mathrm{of}\:{B}\:\mathrm{in}\:\mathrm{the}\:\mathrm{line}\:{CA}\:\mathrm{and}\:{C}'\:\mathrm{be} \\ $$$$\mathrm{reflection}\:\mathrm{of}\:{C}\:\mathrm{in}\:\mathrm{the}\:\mathrm{line}\:{AB}.\:\mathrm{Prove} \\ $$$$\mathrm{that}\:\Delta{ABC}'\:\cong\:\Delta{ACB}'\:\cong\:\Delta{ABC}. \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 89412 by I want to learn more last updated on 17/Apr/20 Commented by I want to learn more last updated on 17/Apr/20 $$\mathrm{Please}\:\mathrm{is}\:\mathrm{the}\:\mathrm{answer}:\:\:\:\frac{\mathrm{39}}{\mathrm{8}}\:\mathrm{square}\:\mathrm{unit}.…
Question Number 23856 by Tinkutara last updated on 08/Nov/17 $$\mathrm{The}\:\mathrm{value}\:\mathrm{of}\:\left({C}_{\mathrm{0}} \:+\:{C}_{\mathrm{1}} \right)\left({C}_{\mathrm{1}} \:+\:{C}_{\mathrm{2}} \right)…. \\ $$$$\left({C}_{{n}−\mathrm{1}} \:+\:{C}_{{n}} \right)\:\mathrm{is} \\ $$$$\left(\mathrm{1}\right)\:\frac{\left({n}\:+\:\mathrm{1}\right)^{{n}} }{{n}!}\:\centerdot\:{C}_{\mathrm{1}} {C}_{\mathrm{2}} …..{C}_{{n}} \\ $$$$\left(\mathrm{2}\right)\:\frac{\left({n}\:−\:\mathrm{1}\right)^{{n}}…
Question Number 154910 by mr W last updated on 23/Sep/21 Commented by mr W last updated on 23/Sep/21 $${tetrahedron}\:{T}−{ABC}\:{has}\:{edge}\:{lengthes} \\ $$$${a},{b},{c},{u},{v},{w}. \\ $$$${the}\:{faces}\:{of}\:{tetrahedron}\:{T}'−{A}'{B}'{C}' \\ $$$${have}\:{the}\:{distances}\:{d}_{\mathrm{1}}…
Question Number 89361 by 675480065 last updated on 17/Apr/20 Answered by mr W last updated on 17/Apr/20 Commented by mr W last updated on 17/Apr/20…
Question Number 23796 by tapan das last updated on 06/Nov/17 $$\int\frac{\mathrm{2sinx}+\mathrm{3cosx}}{\mathrm{3sinx}+\mathrm{4cosx}}\:\mathrm{dx} \\ $$ Answered by ajfour last updated on 06/Nov/17 $$\mathrm{2sin}\:{x}+\mathrm{3cos}\:{x}={A}\left(\mathrm{3sin}\:{x}+\mathrm{4cos}\:{x}\right) \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:+{B}\left(\mathrm{3cos}\:{x}−\mathrm{4sin}\:{x}\right) \\ $$$$\Rightarrow\:\mathrm{3}{A}−\mathrm{4}{B}=\mathrm{2}\:\:{and}…
Question Number 23769 by math solver last updated on 05/Nov/17 $$\mathrm{guys}\:,\:\mathrm{how}\:\mathrm{was}\:\mathrm{kvpy}\:\left(\:\mathrm{SA}\right)?? \\ $$$$:\:\mathrm{tinkutara}\:,\:\mathrm{physicslover},\mathrm{etc}……. \\ $$$$\mathrm{i}\:\mathrm{screwd}\:\mathrm{in}\:\mathrm{bio}\:\mathrm{completely}. \\ $$$$\mathrm{how}\:\mathrm{much}\:\mathrm{you}\:\mathrm{guys}\:\mathrm{are}\:\mathrm{expecting} \\ $$$$\mathrm{and}\:\mathrm{do}\:\mathrm{you}\:\mathrm{have}\:\mathrm{any}\:\mathrm{idea}\:\mathrm{of}\: \\ $$$$\mathrm{cutoff}\:? \\ $$ Commented by…
Question Number 23758 by Anoop kumar last updated on 05/Nov/17 $${solve} \\ $$$$\int\mathrm{tan}^{−\mathrm{1}} {x}\:\mathrm{ln}\:\left(\mathrm{1}+{x}^{\mathrm{2}} \right){dx} \\ $$ Answered by sma3l2996 last updated on 07/Nov/17 Terms…
Question Number 89290 by I want to learn more last updated on 16/Apr/20 Commented by jagoll last updated on 16/Apr/20 $${diagonal}\:=\:\sqrt{\left(\mathrm{14}+\mathrm{9}\right)^{\mathrm{2}} +\mathrm{7}^{\mathrm{2}} } \\ $$$$=\:\sqrt{\mathrm{23}^{\mathrm{2}}…
Question Number 23752 by pombekali last updated on 05/Nov/17 $$\int_{\mathrm{1}} ^{\mathrm{2}} {x}^{\mathrm{3}} +\mathrm{1}=? \\ $$ Answered by Joel577 last updated on 05/Nov/17 $$\left[\frac{\mathrm{1}}{\mathrm{4}}{x}^{\mathrm{4}} \:+\:{x}\right]_{\mathrm{1}} ^{\mathrm{2}}…