Find the values of p and q for which the following system of linear equations has infinite number of solutions:
For infinitely many solution
⇒ -4p + 2q = 3p + 3q and 2p + 2q + 2 = 9p + 9q
⇒ q = -7p and 7p + 7q = 2
⇒ 7q – q = 2
⇒ q = 1/3
Thus, p = -1/21