y=3x2^22 + 5x - 3
dy/dx = 6x + 5
as dy/dx = 0
6x + 5 = 0
x = −56\frac{-5}{6}6−5
Maximum value: 3 2−56^2\frac{-5}{6}26−5 + 5 −56\frac{-5}{6}6−5 - 3
3 7536\frac{75}{36}3675 - 256\frac{25}{6}625 - 3
Using the L.C.M. 36
= 25−50−3636\frac{25-50-36}{36}3625−50−36
= −6136\frac{-61}{36}36−61
No correct option
