Question

. Find the values of m and n for which the following system of linear equations
has infinitely many solutions:
3x + 4y = 12
(m + n)x + 2(m – n)y = (5m – 1)




agar yeh question 1 marks mai aaya toh kaisa karga

Answer 1

you have to try again and again so that it becomes easy for u to do this in your exams.... don't use any kind of trick or short cuts..... it is mathematics and only way to learn it is to do it... instead of using tricks increase your speed .....