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प्रश्न
Multiple Choice Question :
If the ordered pairs (a + 2, 4) and (5, 2a + b) are equal then (a, b) is
विकल्प
(2, – 2)
(5, 1)
(2, 3)
(3, – 2)
MCQ
उत्तर
(3, – 2)
Explanation;
(a + 2, 4), (5, 2a + b)
a + 2 = 5
a = 3
2a + b = 4
6 + b = 4
b = – 2
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Ordered Pair
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