If $(a + a + a) = (b+b+b+b)$ and $(a + b) = 7$, then what is the value of $(a^{2}-b^{2})$?

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Accepted Answer

সঠিক উত্তর: । ব্যাখ্যা: $3a = 4b$ এবং $a+b=7$ থেকে পাই $a= 4$ ও $b=3$। অতএব, $(a^{2}-b^{2}) = (4^{2}-3^{2}) = 7$.

If \((a + a + a) = (b+b+b+b)\) and \((a + b) = 7\), then what is the value of \((a^{2}-b^{2})\)?