x - y = 2 এবং xy = 24 হলে x + y এর মান-
Solution
Correct Answer: Option D
(x + y)2 = (x - y)2 + 4. xy
= 22 + 4.24
= 4 + 96
= 100
সুতরাং, x + y = ± 10
= 22 + 4.24
= 4 + 96
= 100
সুতরাং, x + y = ± 10
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