Question

please answer the question

Answer 1

put the value of x= 1/3. in the eq. 
and put the eq. =0 after putting the value of x
u get the ans p=3.

Answer 2

3x^2 -10x +p
3×(1/3)^2 - 10 (1/3) +p = 0
3 × 1/9 -10/ 3+p = 0
1/3 - 10/3+ p = 0
- 9/3 + p = 0
-3 + p = 0
=> p = 3