JEE Math Practice Question
If for some $$\alpha $$ and $$\beta $$ in R, the intersection of the following three places x + 4y – 2z = 1 x + 7y – 5z = b x + 5y + $$\alpha $$z = 5 is a line in R3, then $$\alpha $$ + $$\beta $$ is equal to :
- A.-10
- B.0
- C.10
- D.2
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