1.

जज - (10x+3y): (5x+2y) = 9: 5 20T, (AR (T (2x+y) : (x+2y) = 11:13

Answer»

5(10x+3y)=9(5x+2y)50x+15y=45x+18y5x-3y=0hencex=3/5yput in second condition13(2x+y)=11(X+2y)26x+13y=11x+22y26x-11x=22y-13y15x=9y5x=3ynow5*3/5y=3y 1=1hence proved



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