3x - y = 2 এবং 2x + 3y = 5 সরলরেখা দুইটি যে বিন্দু দিয়ে অতিক্রম করবে-


A (1, 1)

B (1, 2) 

C (2, 1)

D (-1, 1)

Solution

Correct Answer: Option A

3x - y = 2
⇒ 3(3x - y) = 6 [3 দ্বারা গুণ করে]
⇒ 9x - 3y = 6

2x + 3y = 5

9x - 3y + 2x + 3y = 6 + 5
⇒ 11x = 11
∴ x = 1

2 + 3y = 5
⇒ 3y = 3
⇒ y = 1

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