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।

Actions

Type Single Choice
Created By admin@chakribidda.com