Easy
1 point
ID: #25801
Question
a+b=7 এবং ab = 10 হলে, a² +b² +3ab = কত?
Options
1
29
Correct Answer
2
59
Correct Answer
3
49
Correct Answer
4
69
Correct Answer
Explanation
a² + b² + 3ab কে লেখা যায় (a+b)² - 2ab + 3ab = (a+b)² + ab। মান বসিয়ে পাই, (7)² + 10 = 49 + 10 = 59।
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Type
Single Choice
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