find the value if p and q for which the following system has infinite solution 2x+3y=7, (p+q)x+(2p-q)y=21

Asked by Ria Puri | 24th Apr, 2013, 11:57: AM

Expert Answer:

2x + 3y = 7

(p+q)x + (2p-q)y = 21

For equations to have infinite solutions:

 

Therefore, p= 5 and q = 1

Answered by  | 24th Apr, 2013, 06:49: PM

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