If the distance between a tangent to the parabola y2=4 x and a parallel normal to the same parabola is 2 √2, then possible values of gradient of either of them are -

Question

If the distance between a tangent to the parabola y2=4 x and a parallel normal to the same parabola is 2 √2, then possible values of gradient of either of them are - (A) -1 (B) +1 (C) -√√5-2 (D) +√√5-2

Tardigrade Admin · Accepted Answer

Correct answer is (a) -1Correct answer is (b) +1Correct answer is (c) -√√5-2Correct answer is (d) +√√5-2

Q. If the distance between a tangent to the parabola $y^{2} = 4 x$ and a parallel normal to the same parabola is $22$ , then possible values of gradient of either of them are -

$- 1$

$+ 1$

$- 5 - 2$

$+ 5 - 2$

Correct answer is (a) $- 1$ Correct answer is (b) $+ 1$ Correct answer is (c) $- 5 - 2$ Correct answer is (d) $+ 5 - 2$

Q. If the distance between a tangent to the parabola y2=4x and a parallel normal to the same parabola is 22​, then possible values of gradient of either of them are -

−1

+1

−5​−2​

+5​−2​