Question

If p(x)=2x^2-5√3x+than p(5√3) he is answer 80 13 point practice set 3.5

Answer 1

givne that

p(x) = 2x² - 5√3x

p(5√3) = 2 ( 5√3 )² - (5√3)×(5√3)        [  substituting value of x as 5√3  ]

⇒ p(5√3) = (2 × (5)² × (√3)²)   - ( 5 × 5 × √3 × √3 )

⇒   p(5√3) = (2 × 25 × 3) - ( 25 × 3 )

⇒   p(5√3) = 150 - 75

hence  p(5√3) = 75