Please answer my question (131)? Share with your friends Share 0 Atul Shaw answered this Solution:4x+py=21 and px-2y=15Here, a1=4; b1=p; c1=21a2=p; b2=-2; c2=15For unique solution:a1a2≠b1b2⇒4p≠p-2⇒p2≠-8p2 is always non-negative no. thus value of p can be any real number.Thus, option 4 is correct. 0 View Full Answer
