যদি a+b=7 এবং b=3-3 হয়, তবে ab= কত?

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যদি a+b=7 এবং b=3-3 হয়, তবে ab= কত? Correct Answer 1

<math xmlns = "http://www.w3.org/1998/Math/MathML"><mtext>দেয়া আছে a + b = </mtext><msqrt><mtext>7</mtext></msqrt><mspace linebreak = "newline"/><mtext>এবং b = a - </mtext><msqrt><mtext>3</mtext></msqrt><mspace linebreak = "newline"/><mtext>বা, a - b = </mtext><msqrt><mtext>3</mtext></msqrt><mspace linebreak = "newline"/><mtext>আমরাজানি, ab  =  </mtext><msup><mfenced><mfrac><mrow><mi>a</mi><mo> + </mo><mi>b</mi></mrow><mn>2</mn></mfrac></mfenced><mn>2</mn></msup><mtext> -  </mtext><mo> </mo><msup><mfenced><mfrac><mrow><mi>a</mi><mo> - </mo><mi>b</mi></mrow><mn>2</mn></mfrac></mfenced><mn>2</mn></msup><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><msup><mfenced><mfrac><msqrt><mn>7</mn></msqrt><mn>2</mn></mfrac></mfenced><mn>2</mn></msup><mo> - </mo><mo> </mo><mo> </mo><msup><mfenced><mfrac><msqrt><mn>3</mn></msqrt><mn>2</mn></mfrac></mfenced><mn>2</mn></msup><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><mfrac><mn>7</mn><mn>4</mn></mfrac><mo> </mo><mo> - </mo><mo> </mo><mfrac><mn>3</mn><mn>4</mn></mfrac><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><mfrac><mrow><mn>7</mn><mo> - </mo><mn>3</mn></mrow><mn>4</mn></mfrac><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><mfrac><mn>4</mn><mn>4</mn></mfrac><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><mn>1</mn></math>

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Feb 20, 2025

যদি a+b=7 এবং b=3-3 হয়, তবে ab= কত?

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