a+b=7 এবং ab=10 হলে a2+b2+3ab কত ?

a+b=7 এবং ab=10 হলে a2+b2+3ab কত ?

a+b=7 এবং ab=10 হলে \(a^{2}\)+\(b^{2}\)+3ab কত ? ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

29

49

59

69

0 1

Best Answer Explained in Below-:

a² + b² + 3ab = a² + b² + 2ab + ab = (a + b)² + ab = 7² + 10 = 49 + 10 = 59

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