নামাজের আরাকান কয়টি?
নামাজের আরাকান কয়টি? সঠিক উত্তর ৬
<math xmlns = "http://www.w3.org/1998/Math/MathML"><mtext>মনে করি, সংখ্যা দুইটি x ও y </mtext><mspace linebreak = "newline"/><mtext>১ম শর্তানুসারে, x - y  = 6................(i)</mtext><mspace linebreak = "newline"/><msup><mtext>২য়     ”          x</mtext><mtext>2</mtext></msup><msup><mtext>–y</mtext><mtext>2</mtext></msup><mtext> = 108.....(ii)</mtext><mspace linebreak = "newline"/><mtext>এখন, (i) হতে পাই—</mtext><mspace linebreak = "newline"/><mtext>x = y + 6.......(iii)</mtext><mspace linebreak = "newline"/><mtext>x - এর মান (ii) নং এ বসিয়ে পাই,</mtext><mspace linebreak = "newline"/><msup><mtext>(y + 6)</mtext><mtext>2</mtext></msup><msup><mtext> - y</mtext><mtext>2</mtext></msup><mtext> = 108</mtext><mspace linebreak = "newline"/><msup><mtext>বা, x</mtext><mtext>2</mtext></msup><msup><mtext> + 12y  + 36–y</mtext><mtext>2</mtext></msup><mtext> = 108</mtext><mspace linebreak = "newline"/><mtext>বা,12y = 108–36</mtext><mspace linebreak = "newline"/><mtext>বা,12y = 72</mtext><mspace linebreak = "newline"/><mo>∴</mo><mo> </mo><mi>y</mi><mo> </mo><mtext> =  6</mtext><mspace linebreak = "newline"/><mi>y</mi><mo> </mo><mtext>এর মান (iii) নং এ বসিয়ে পাই </mtext><mspace linebreak = "newline"/><mtext>x = 6 + 6</mtext><mspace linebreak = "newline"/><mtext> = 12</mtext><mspace linebreak = "newline"/><mo>∴</mo><mo> </mo><mtext>সংখ্যাদুটির যােগফল = x + y</mtext><mspace linebreak = "newline"/><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mtext> = 12 + 6</mtext><mspace linebreak = "newline"/><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mo> </mo><mtext> = 18</mtext></math>
মোঃ আরিফুল ইসলাম
Feb 20, 2025