A man travels from a to b with an average speed 40km /h and returns at the average speed of 60km /h.the average speed of total jou...
y^3-y'=0
(x-10)(x-5)
13/100 x 18.37
3a plus 4b plus 5c minus 2b minus 8c
13/100 x 9
logx 1/2 = y
Prove that ∬ 𝑑𝑆
𝑆
= 4𝜋
√𝑎𝑏𝑐
√𝑎2𝑥2+𝑏2𝑦2+𝑐2𝑧2
, where 𝑆 is the ellipsoid 𝑎𝑥2 + 𝑏𝑦2 + 𝑐𝑧2 = 1.
$\frac{\Box13}{\Box100}$ x 9
2+2
2x \srt
