Mathematics - Parabola Question with Solution | TestHub

for $\mathrm{x}=1,y=a+b+c$

Tangent at $(1,a+b+c)is\frac{1}{2}(y+a+b+c)=ax+\frac{b}{2}(x+1)+c$

Comparing with $y=2x,c=a,b=2(1-a)$

Which are true for choice (A) only