F4 Equation of Staright Lines

26. In the figure, O, A(0,6) and B(-2√3,0) are the vertices of a triangle. BP is the angle bisector of ∠ABO is ⊿OAB
(a) Find the equations of BA and BP(Leave the radical sign'√ ' in your answer.)
(b) Find the length of BP.
(c) Show the ⊿ PAB is an isosceles triangle.