L-12 to L-13

Let L= Lim_(x rarr-2)(3x^(2)+ax+a+1)/(x^(2)+x-2) .If L is finite,then a) L= 4/3 b) L=13 c) L=-2 d) L= -1/3

S.L. Loney (Ex-13)

S.L. Loney (Ex-13)

If X-Y-Z and if l(XZ)=12 sqrt 3 and l(XY)=3sqrt3 ,then find l(YZ) . Draw figure.

If 13 L 4 A 7 = 41 and 14 A 3L 12 = 54 , then 12 L 3 A9 = ?

In cone h=12cm, l=13cm, r=?