Q5 of 92 Page 71

Let us solve the following simultaneous equations in two variables by the method of comparison:


expressing the equations in terms of one variable


⇒ x + y = 2xy


⇒ x(2y - 1) = y


………[1]



⇒ x – y = xy


⇒ x(1 – y) = y


………[2]


by comparing eq. [1] and eq. [2]



⇒ 2y – 1 = 1 – y


⇒ 3y = 2


………[3]


by using [3] in [1]





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