06/11/2025
7. (i) সমাধান:প্রদত্ত: $latex frac{a}{3} = frac{b}{4} = frac{c}{7}$প্রমাণ করতে হবে: $latex frac{a+b+c}{c} = 2$সমাধান:ধরি, $latex frac{a}{3} = frac{b}{4}
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