If X = -2, then X^3 - X^2 - X - 1 is equal to

examrobotsa's picture

Submitted by examrobotsa on

Q: 132 (IAS/2000)
If X = -2, then X^3 - X^2 - X - 1 is equal to

question_subject: 

Maths

question_exam: 

IAS

stats: 

0,3,1,0,1,3,0

keywords: 

{}

To find the value of X^3 - X^2 - X - 1 when X = -2, we substitute -2 for X in the expression:

(-2)^3 - (-2)^2 - (-2) - 1

Simplifying the expression, we get:

-8 - 4 + 2 - 1

= -12 + 1

= -11

Therefore, when X = -2, the value of X^3 - X^2 - X - 1 is equal to -11. The correct answer is option C.