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3x -y =2 এবং 2x +3y =5 সরলরেখা দুইটি যে বিন্দু দিয়ে অতিক্রম করবে-
(২,৪)
(৪,-১)
(১,১)
(০,-২)
ANSWER : 3
Descrption
<p>3x - y = 2</p> <p>বা, y = 3x - 2</p> <p>আবার, 2x + 3y = 5</p> <p>বা, 2x + 3(3x - 2) = 5</p> <p>বা, 2x + 9x - 6 = 5 </p> <p>বা, 11x = 11</p> <p>বা, <strong>x = 1</strong></p> <p>সুতরাং, y = 3x - 2 = 3 x 1 - 2 = <strong>1</strong></p> <p><strong>(x, y) = (1, 1)</strong></p>
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