Questions from College Mathematics

Q: Given M find M-1 and show that M-1

Given M find M-1 and show that M-1 M = I.

Q: Given M find M-1 and show that M-1

Given M find M-1 and show that M-1 M = I.

Q: Given M find M-1 and show that M-1

Given M find M-1 and show that M-1 M = I.

Q: Find the inverse of each matrix if it exists. /

Find the inverse of each matrix if it exists.

Q: Find the inverse of each matrix if it exists. /

Find the inverse of each matrix if it exists.

Q: Find the inverse of each matrix if it exists. /

Find the inverse of each matrix if it exists.

Q: Find the inverse of each matrix if it exists. /

Find the inverse of each matrix if it exists.

Q: Find the inverse. Note that each inverse can be found mentally

Find the inverse. Note that each inverse can be found mentally, without the use of a calculator or pencil-and paper calculations.

Q: Find the inverse. Note that each inverse can be found mentally

Find the inverse. Note that each inverse can be found mentally, without the use of a calculator or pencil-and paper calculations.

Q: Find the inverse of each matrix, if it exists.

Find the inverse of each matrix, if it exists.