Question

For what value of p the equation px^2 -14x +1=0 is a perfect square?

Answer 1

Answer:

find the value of p for which the equation px^2-18x+1=0 is a perfect square

Answer 2

question:

The angle of incidence for a ray of light having zero angle of refraction will be (as light moves from one medium to another)

(a) 0

(b) 30°

(c) 45°

(d) 90°

Answer:

(a)0° is the right answer