![The set of equations ๐ฅ + ๐ฆ + ๐ง = 1 ๐๐ฅ โ ๐๐ฆ + 3๐ง = 5](https://www.gkseries.com/blog/wp-content/uploads/2023/08/The-set-of-equations-๐ฅ-๐ฆ-๐ง-1-๐๐ฅ-โ-๐๐ฆ-3๐ง-5.jpg)
Q. The set of equations
๐ฅ + ๐ฆ + ๐ง = 1
๐๐ฅ โ ๐๐ฆ + 3๐ง = 5
5๐ฅ โ 3๐ฆ + ๐๐ง = 6
has infinite solutions, if a =
(A) โ3 | (B) 3 | (C) 4 | (D) โ4 |
Sol:
ฯ(A)=ฯ(AB)< no.of variables
|A|=0
![](https://www.gkseries.com/blog/wp-content/uploads/2023/08/Screenshot-657.png)
Q. The set of equations
๐ฅ + ๐ฆ + ๐ง = 1
๐๐ฅ โ ๐๐ฆ + 3๐ง = 5
5๐ฅ โ 3๐ฆ + ๐๐ง = 6
has infinite solutions, if a =
(A) โ3 | (B) 3 | (C) 4 | (D) โ4 |
Sol:
ฯ(A)=ฯ(AB)< no.of variables
|A|=0
Government Schemes Mock Test | Start Test! |
Political Science Mock Test โ 42 | Start Test |
History Test โ 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |