x = -1 হলে, x3 + 2x2 - 1 এর মান কোনটি?

A -4

B -2

D 2

Solution

Correct Answer: Option C

x3 + 2x2 - 1 
= (-1)3 + 2.(-1)2 - 1
= - 1 + 2 - 1
= 2 - 2
= 0 

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions

Download Android App Login to Website

Related Topics