Find the value of p(x) =2/3x^3 -5x^2+√2 at I) x=-1

Asked by mm9467821 | 28th Aug, 2020, 02:39: PM

Expert Answer:

begin mathsize 16px style straight p left parenthesis straight x right parenthesis space equals space 2 over 3 straight x cubed minus 5 straight x squared plus square root of 2 space space at space straight x space equals space minus 1
space space space space space space space space space equals space 2 over 3 left parenthesis negative 1 right parenthesis cubed minus 5 left parenthesis negative 1 right parenthesis squared plus square root of 2 space space space space space space space space space space space
space space space space space space space space space space space equals fraction numerator negative 2 minus 15 plus 3 square root of 2 over denominator 3 end fraction
space space space space space space space space space space space space equals fraction numerator negative 17 plus 3 square root of 2 over denominator 3 end fraction end style

Answered by Yasmeen Khan | 28th Aug, 2020, 04:51: PM