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If the system of equations 6x + py = 21 and qx + 5y = 7 has infinitely many solutions, what is the value of p/q? |
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Answer» Given: 6x + PY = 21 qx + 5y = 7 The system of equations have infinite solutions To FIND: The value of p/q Solution:6x + py = 21 --------------- [1 ] qx + 5y = 7 --------------- [2] [2] x 3 : 3qx + 15y = 21 --------------- [3] Comparing [2] and [3] 3q = 6 q = 2 p = 15 Find the value of p/q: p/q = 15/2 AnswerL 15/2
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