Question
Mathematics Question on Linear Equations
Let α, β, γ be the three roots of the equation x3+bx+c=0. If βγ =1=-α, then b3+2c3-3α3-6β3-8γ3 is equal to
A
8169
B
8155
C
19
D
28
Answer
19
Explanation
Solution
The correct option is(B): 19
Let α, β, γ be the three roots of the equation x3+bx+c=0. If βγ =1=-α, then b3+2c3-3α3-6β3-8γ3 is equal to
8169
8155
19
28
19
The correct option is(B): 19