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प्रश्न
Check whether the following is the solution of the equation x – 2y = 4 or not:
(1, 1)
उत्तर
(1, 1)
Putting x = 1 and y = 1 in the L.H.S of the given equation,
= x − 2y
= 1 − 2(1)
= 1 − 2
= − 1 ≠ 4
L.H.S ≠ R.H.S
Therefore, (1, 1) is not a solution of this equation.
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