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प्रश्न
In the given graph the coordinates of M1 are
विकल्प
x1 = 5, x2 = 30
x1 = 20, x2 = 16
x1 = 10, x2 = 20
x1 = 20, x2 = 30
उत्तर
x1 = 10, x2 = 20
Explanation:
4x1 + 2x2 = 80 (or) 2x1 + x2 = 40
2x1 + x2 = 40 ……(1)
2x1 + 5x2 = 120 ……(2)
− 4x2 = − 80 ........[Equation (1) – (2)]
x2 = 20
But, 2x1 + x2 = 40
2x1 + 20 = 20
x1 = 10
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