Word Count : 512

---

The given system is 2a + 3b + 4c + d = 8, a + 2b + 2c + 2d = 3, a − b + c + 3d = 3. The corresponding augmented matrix is [ \begin{bmatrix} 2 & 3 & 4 & 1 & | & 8 \ 1 & 2 & 2 & 2 & | & 3 \ 1 & -1 & 1 & 3 & | & 3 \end{bmatrix}. ] Interchange the first and second rows to get a leading 1: [ \begin{bmatrix} 1 & 2 & 2 & 2 & | & 3 \ 2 & 3 & 4 & 1 & | & 8 \ 1 & -1 & 1 & 3 & | & 3 \end{bmatrix}. ] Eliminate the entries _____ ______ __________ ________ ___ ______ __________ ____ ___ __________ _______ ______.
________ _______ _______ _______ _____ ______ ______.
____ _______ __________ _________ _________ _____ ______.
_________ ________ _____ ______ __________ _________.
___ ___ __________ _____ __________ ____ ________ ______ ___ _________.
______ _________ __________ ____ _______.
______ _________ ___ ________ _______ ______ _____ ___ _________ ____.
_____ __________ _____ ___ _________.
_______ ______ ______ ________ ______ ___ ______ ___ _____ _____ __________.
_____ _____ _________ ___ ______ ____ ____ __________ ____.
____ _________ _________ ___ _______ ________ __________ ______ _________.
_____ __________ _____ _________ _____ __________ _____ _____ _____.
_____ ______ _______ _______ ________.
_________ ______ _________ _________ __________ __________ ______ _______ ___ _______ __________.
__________ ______ _________ ___ ______ ________ ___ ___ _____ _________ ____.
_____ ____ ________ ___ ____ ___ _________.
________ ________ _______ _________ __________ ____ _________ _________ ___.
__________ ______ __________ ___ ______ ______ ______ _______.
________ _______ ______ _________ ________ _____ ____ ________ ________ _____ ___.
___ ________ __________ ________ _____ ________ ___ ______ ______ ___ ____ ___.
__________ _________ ____ ___ ____ _________.
____ ________ __________ __________ __________ ____ ________.
_________ ___ ________ ____ _________.
______ ______ ________ ________ _______ _____ _________ _______.
_______ _______ _______ ____ ______ ___ __________ _________ _______ __________.
______ ________ ___ _____ ______ ________ __________ _______ _____ _____ __________ ______.
___ _______ _________ _____ _________.
__________ _______ __________ _____ _______ ___ ________ __________.
_____ ___ _______ __________ ___ __________ __________ ___ ________.
________ ________ _________ __________ _________ ___ ____ ____ ______.
_____ _______ ____ ___ __________ ________ ______ _______.
__________ _________ _______ __________ _______ ________.
_______ _______ ____ __________ ___ ____ ______ ____ ________ _______.
______ _________ ______ _______ __________ _____ ______ __________ _______ ___ _________.
______ ______ ______ ________ ____ ________ _______.
_______ ___ ______ _______ __________ ___ __________ ________.
_______ _____ ___ _____ ______.
___ ________ _________ _______ _________ _________ ______ _____ ____.
____ ________ _______ _________ ____.
______ _______ _________ __________ __________ __________ __________.
_________ __________ __________ ______ ________ ______ _________ ______.
__________ ______ __________ __________ ____ __________ _________ __________ ___ ___ _______ __________.
_____ ______ _______ _________ _________ _______ ___ _______ __________ ___ ______ ___.
_______ ____ ____ ________ ___ ____ __________ _____.
__________ _______ ______ _______ _____.
______ ____ ____ ______ ___ ____ __________ _______.
____ _____.
Get Full Answer on WhatsApp