If x= 1/2+√3, find the value of 2x^3 - 7x^2 - 2x + 1
Answers
Answered by
0
Step-by-step explanation:
X = 1/2+√3
X^2 = (1/2+√3)^2
= 1/4+3+√3
x3= (1/2+√3)^3
= 1/4+3+3√3/4+9
2x3= 1/2+3/2+3√3/2+9/2
7x2 = 7/4+21+√3/7
2x= 1+√3/2
23/2-7/4-21-√3/7
23/2-578√3/28:
Similar questions