If \( t_{3 / 4} \) and \( t_{1 / 2} \) are time required for completion of \( 3 / 4 \) decay and...

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If \( t_{3 / 4} \) and \( t_{1 / 2} \) are time required for completion of \( 3 / 4 \) decay and \( 1 / 4 \) decay then \( t_{3 / 4}=t_{1 / 2} \times n \), then \( n \) is
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