
Area bounded between P1 & P2 is
∫−33((x2+27)−(4x2))dx
(P.O.I. of P1 & P2 is x=±3)
=2∫03(27−3x2)dx=2[27x−x3]03
=2[81−27]=108
∴ Area bounded between P1 & L is 18 sq. units
(Area between x2=4ay & line x=my) is 3m38a2
∴ Area between x2=4y & x=αy is
3⋅(α1)38⋅(161)2=18
⇒α3316⋅168=18⇒α3=26⋅33
⇒α=12