Question

Find the value of the polynomial 3x3 - 5x2 + 2x – 1 at x = 1​

Answer 1

Solution :-

P(x)=3x^3 - 5x^2 + 2x - 1

where p(1)=3(1)^3 - 5(1)^2 + 2(1) - 1

= 3 - 5 + 2 -1

= (3 + 2 ) + (-5 -1)

= 5 -6

= -1