Open In App

GATE | GATE-CS-2014-(Set-1) | Question 65

Like Article
Like
Save
Share
Report

Consider the following system of equations:

3x + 2y = 1
4x + 7z = 1
x + y + z = 3
x – 2y + 7z = 0 

The number of solutions for this system is __________________
(A) 1
(B) 0
(C) 2
(D) 3


Answer: (A)

Explanation: rank(Augmented Matrix) = rank(Matrix) = no of unknowns.

Hence it has a unique solution.

Quiz of this Question


Last Updated : 28 Jun, 2021
Like Article
Save Article
Previous
Next
Share your thoughts in the comments
Similar Reads