Question

If x + y = k is a normal to the parabola y2

= 12x, then the value of k is


a) 3

b) -1

c) 1

d) 9

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Answer 1

Answer:

x + y = k is a normal to the parabola y2

= 12x, then the value of k is

a) 3

b) -1

c) 1

d) 9

= 9