Question

Distance between Mumbai and Pune is $(2y^2+y+2)$. There are two routes to travel from Mumbai to Pune as shown in the figure.

$\left[3Marks\right]$

What is the difference between the distance covered through the two routes?

Answer 1

When $y=5$
Distance=$(2y^2+y+2)$
$=2\times 5^2+5+2=50+5+2$
$=57units$$\left[1Mark\right]$

When $y=3$,
Distance=$(2y^2+y+2)$
$=2\times 3^2+3+2=18+3+2$
$=23units$$\left[1Mark\right]$

$\therefore$ Required difference = 57 – 23 = 34 units.$\left[1Mark\right]$