If line y-2 x-1-4 is tangent to y2-4 ax then a is equal toA- 1-2B- 1C- 2D- None of these

The correct option is A y = mx+c is a tangent to y^2=4ax if c=a/m or a=cm ⇒ a=2 (1/4)=1/2 ...

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Slope Form of Tangent

If line y=2 x...

Question

If line $y = 2 x + \frac{1}{4}$ is tangent to $y^{2} = 4 a x$ then a is equal to

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Solution

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Similar questions

y = 2 x + \frac{1}{4}

y^{2} = 4 a x

a x + y = c,

x^{2} + y^{2} = 1

y^{2} = 4 \sqrt{2} x,

| c |

\frac{x^{2}}{9} - \frac{y^{2}}{49} = 1

2

If the system of equations ax + y = 3, x + 2y =3, 3x + 4y =7 is consistent, then value of a is equal to

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