Question

Q1.If equation 9x* + 6px + 4 = 0 has equal roots, then find the value of P.
(a) +2.
(b) +3
(co
(d) 2/3​

Answer 1

Answer: 2

9x^2 + 6px + 4 = 0

Since roots are equal, D = 0

(6p)^2 - 4×4×9 = 0

36p^2=36×4

p^2=4

p=2