Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Mathematics  >>  Class12  >>  Matrices
0 votes

If a matrix A is such that $3A^3+2A^2+5A+I=0$ then its inverse is

$\begin{array}{1 1}(A)\;-(3A^2+2A+5I)&(B)\;3A^2+2A+5I\\(C)\;3A^2-2A-5I&(D)\;\text{None of these}\end{array}$

Can you answer this question?

1 Answer

0 votes
Hence (A) is the correct answer.
answered Apr 23, 2014 by sreemathi.v
Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App