CBSE Class 10 Answered
plzz answer ........
Asked by kirtichawla94 | 12 Mar, 2010, 03:55: PM
Expert Answer
2x + 3y -7 =0 ... (1)
(m-1)x - (m+y) = (3m-1)
(m-1)x - y = 3m-1+m
(m-1)x - y = 4m-1 .... (2)
We can write equation (1),
as 2x + 3y = 7
-2x/3 - y = -7/3
Comparing with (2), coefficients of y i.e. -1 in both equations, and if other coefficients are also same, then the given pair of equations will have inifinitely many solutions.
Hence, m-1 = -2/3,
m = 1/3 or
4m - 1 = -7/3
m = -1/3.
Regards,
Team,
TopperLearning.
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