Question

If x=2 is a root of a quadratic equation 3x^ -px-2 =0 then find the value of p

Answer 1

Answer:

substitute the value ans is 5

Step-by-step explanation:

p(2)=3×2^2-2p-2=0

3×4-2p-2=0

12-2-2p=0

-2p=-10

p=-10/-2

p=5