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দেওয়া আছে, a+1/4=5 => a=5-1/4 => a=19/4 এখন, a/a^2+a+1 = 1/a+a+1 = 1/19/4+19/4+1 = 4/19+19/4+1 = 453/76 (ans.)
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দেওয়া আছে, a+1/4=5 => a=5-1/4 => a=19/4 এখন, a/a^2+a+1 = 1/a+a+1 = 1/19/4+19/4+1 = 4/19+19/4+1 = 453/76 (ans.)