Easy
1 point
ID: #25186
Question
a+b=7 এবং ab = 10 হলে, a^2+b^2+3ab = কত?
Options
1
29
Correct Answer
2
59
Correct Answer
3
49
Correct Answer
4
69
Correct Answer
Explanation
a^2+b^2+3ab = (a+b)^2 - 2ab + 3ab = (a+b)^2 + ab. মান বসিয়ে পাই, (7)^2 + 10 = 49 + 10 = 59. সঠিক উত্তর 59।
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Type
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