Bezier Curve's introduction ,applications , numerical Qs has been described in simple words in this helping slides material. Anyone can easily get this. Hope you will like my effort...Thank You!

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8. C(u)=(1-u)^2 P∘+2u(1-u) P1+u^2 P2
Quadratic Polynomial Equation

10. Q(u)= P∘ B∘ + P1B1 + P2 B2 + Pn Bn
Q(u)= (0, 0)(1-u)^3 + (1, 2) 3u(1-u)^2 + (3, 2) 3u^2(1-u) + (2 ,0) (u)^3
Q(u)= P∘(1-u)^3 + P1 3u(1-u)^2 +P2 3u^2(1-u) +P3 (u)^3

11. Q( 0.15,x )=0.5.05
Q( 0 )=(0,0)

12. Q( 0.15,x )=0.5.05
Q( 0 )=(0,0)

13. Q( 0.15 )=( 0.5.05, 0.766 )
Q( 0.35 )=( 1.24, 1.36 )
Q( 0.5 )=( 1.75, 1.50 )
Q( 0.65 )=( 2.12, 1.36 )
Q( 1 )=( 2, 0 )