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Which the following is the solution of equations 4/x+5/y=7,3/x+4/y=11/2? |
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Answer» Step-by-step EXPLANATION: Disclaimer: There is error in the Q. In (II) there should have been 2x - 3y = 12 5x + 3y = 9 -----(I) 2x - 3y = 12 ----- (II) Add (I) and (II) 7X = 21 X = 3 Putting the value of x = 3 in (I) we get 5(3)+3y=9⇒15+3y=9⇒3y=9-15=-6⇒y=-2 Thus, (x, y) = (3, -6). |
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