Question Number 131534 by mr W last updated on 06/Feb/21 Commented by mr W last updated on 05/Feb/21 $${find}\:{the}\:{radii}\:{of}\:{the}\:{inscribing}\:{and} \\ $$$${the}\:{circumscribing}\:{sphere}\:{of}\:{a} \\ $$$${tetrahedron}\:{with}\:{edge}\:{lengthes}\:{a},{b},{c}, \\ $$$${p},{q},{r}\:{as}\:{shown}.…
Question Number 65980 by Tony Lin last updated on 07/Aug/19 Commented by Tanmay chaudhury last updated on 07/Aug/19 Answered by Tanmay chaudhury last updated on…
Question Number 435 by novrya last updated on 03/Jan/15 $$\int\sqrt{{cos}\:{x}}\:{dx}\:=…. \\ $$$$ \\ $$ Commented by 123456 last updated on 03/Jan/15 $$\mathrm{2E}\left(\frac{{x}}{\mathrm{2}}\mid\mathrm{2}\right)+{C} \\ $$ Commented…
Question Number 433 by 123456 last updated on 25/Jan/15 $$\mathrm{find}\:\mathrm{tagent}\:\mathrm{plane}\:\mathrm{of}\:\mathrm{surface} \\ $$$${x}^{\mathrm{2}} +{y}^{\mathrm{3}} ={z}^{\mathrm{4}} \\ $$$$\mathrm{at}\:\mathrm{the}\:\mathrm{point}\:\left(\mathrm{28},\mathrm{8},\mathrm{6}\right) \\ $$ Answered by prakash jain last updated on…