NDA2023MathematicsTrigonometric Ratios & IdentitiesActual
Let p= 1 3 - 3 x x and q=1-3 ^2 x, 0 x , x 2 . For how many values of x does 1 p become zero?
Options
- ANo value
- BOnly one value
- COnly two values
- DOnly three values
Correct answer
C. Only two values
Step-by-step solution
Since, 1 P =0 3 (1-3 ^2 x ) -8 =0 x= 1 3 So, there are two values of x .