Explain 9 th question??
Q.9. Find the values of m and n for which the following system of linear equations have infinitely many solutions.
a) 3x + 4y = 12
(m + n) x + 2(m - n) y = 5m - 1
(m = 5, n = - 1)
b) 2x - 3y = 7
(k + 1) x + (1 - 2k) y = 5k - 4.
(k = 5)

Dear student,

In the answer the value of m is given wrong it should be -5 here is the link for the same
https://www.meritnation.com/ask-answer/question/find-values-of-m-and-n-for-following-system-of-linear-equati/linear-equations-in-two-variables/9607317

Regards

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