JEE Math Practice Question
For the system of linear equations $$2 x+4 y+2 a z=b$$ $$x+2 y+3 z=4$$ $$2 x-5 y+2 z=8$$ which of the following is NOT correct?
- A.It has infinitely many solutions if $$a=3, b=8$$
- B.It has infinitely many solutions if $$a=3, b=6$$
- C.It has unique solution if $$a=b=8$$
- D.It has unique solution if $$a=b=6$$
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