Question

Find the value of the polynomial. () = 3 − 3 2 − 2 + 6 = √2 ​

Answer 1

(i) x = 0

p(x) = 5x – 4x² + 3

On putting x = 0 ,

p(0) = 5(0) – 4(0)² + 3

p(0) = 0 – 0 + 3

p(0) = 3

p(0) = 3

(ii) x = -1

p(x) = 5x – 4x² + 3

On putting x= -1,

p(-1) = 5(-1) – 4(-1)²+ 3

p(-1) = -5 – 4(1) + 3

p(-1) = -5 – 4 + 3

p(-1) = -9 + 3

p(-1) = -6

(iii) x = 2

p(x) = 5x – 4x² + 3

On putting x = 2

p(2) = 5(2) – 4(2)² + 3

p(2) = 10 – 16 + 3

p(2) = -6 + 3

p(2) = -3