foxsboris.naumov1994
New member
- Joined
- Feb 15, 2017
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- 2
Conditions such that x+by=-1, 2ax+2y=5 has exactly 1 soln
The answers is b) ab≠1, but I have no clue how to get to that answer... Can someone help me?
The answers is b) ab≠1, but I have no clue how to get to that answer... Can someone help me?
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