Question Number 112664 by bemath last updated on 09/Sep/20 $$\mathrm{what}\:\mathrm{the}\:\mathrm{equation}\:\mathrm{of}\:\mathrm{parabola}\: \\ $$$$\mathrm{whose}\:\mathrm{focus}\:\mathrm{F}\left(−\mathrm{3},\mathrm{4}\right)\:\mathrm{and}\:\mathrm{directrix} \\ $$$$\mathrm{is}\:\mathrm{3x}−\mathrm{4y}+\mathrm{5}=\mathrm{0}\:? \\ $$ Commented by bemath last updated on 09/Sep/20 Answered by…
Question Number 112606 by ajfour last updated on 08/Sep/20 Commented by ajfour last updated on 10/Sep/20 $${Find}\:{minimum}\:{length}\:{of}\:{AE}\:{in} \\ $$$${terms}\:{of}\:{r},\:{a},\:{b}.\:\:\: \\ $$ Answered by mr W…
Question Number 178131 by cortano1 last updated on 13/Oct/22 Commented by Frix last updated on 13/Oct/22 $$\mathrm{the}\:\mathrm{radius}\:\mathrm{is}\:{s}×{r}\:\mathrm{with}\:{r}\:\mathrm{being}\:\mathrm{the}\:\mathrm{real} \\ $$$$\mathrm{solution}\:\mathrm{of} \\ $$$${r}^{\mathrm{3}} −\mathrm{2}{r}^{\mathrm{2}} +\frac{\mathrm{3}{r}}{\mathrm{2}}−\frac{\mathrm{1}}{\mathrm{4}}=\mathrm{0} \\ $$$$\mathrm{which}\:\mathrm{is}…
Question Number 112576 by ajfour last updated on 08/Sep/20 Commented by ajfour last updated on 08/Sep/20 $${Find}\:{OA}={AB}. \\ $$ Answered by mr W last updated…
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Question Number 46935 by ajfour last updated on 02/Nov/18 Commented by ajfour last updated on 03/Nov/18 $${If}\:{both}\:{coloured}\:{regions}\:{have}\:{the} \\ $$$${same}\:{area},\:{find}\:{locus}\:{of}\:{C}\:{in} \\ $$$${polar}\:{form}\:{or}\:{cartesian}\:{form}. \\ $$$${Take}\:{center}\:{of}\:{rectangle}\:{as}\:{origin}, \\ $$$${and}\:{radius}\:{of}\:{circle}\:{R}.…
Question Number 177980 by infinityaction last updated on 11/Oct/22 Answered by mr W last updated on 11/Oct/22 Commented by mr W last updated on 11/Oct/22…
Question Number 112356 by ajfour last updated on 07/Sep/20 Commented by ajfour last updated on 07/Sep/20 $${Find}\:{minimum}\:{length}\:{of}\:{PQ}\:{in} \\ $$$${terms}\:{of}\:{a}\:{and}\:{b}.\:\:\:\:\:\:\: \\ $$ Answered by bemath last…
Question Number 177787 by mr W last updated on 09/Oct/22 Commented by mr W last updated on 09/Oct/22 $${elipse}\:{with}\:{parameters}\:{a}\:{and}\:{b}\:{is} \\ $$$${rotated}\:{about}\:{its}\:{center}\:{by}\:{angle}\:\varphi. \\ $$$${find}\:{the}\:{overlapping}\:{area}\:{in}\:{terms} \\ $$$${of}\:{a},\:{b},\:\varphi.…
Question Number 112179 by ajfour last updated on 06/Sep/20 Commented by ajfour last updated on 06/Sep/20 $${If}\:{AC}={BC}=\:{a}=\mathrm{5} \\ $$$$\&\:\:\:{AD}={BE}={b}=\mathrm{6} \\ $$$${find}\:{equation}\:{of}\:{lines}\:{AC}\:{and}\:{BC}. \\ $$ Answered by…