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(B) For a closed pipe,the allowed frequencies are odd harmonics of the fundamental frequency $(n)$,given by $n, 3n, 5n, 7n, \dots$For an open pipe,the

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$85 	ext{ Hz},$ closed

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(B) For a closed pipe,the allowed frequencies are odd harmonics of the fundamental frequency $(n)$,given by $n, 3n, 5n, 7n, \dots$For an open pipe,the allowed frequencies are all harmonics of the fundamental frequency $(n)$,given by $n, 2n, 3n, 4n, \dots$Given frequencies are $255, 425,$ and $595 	ext{ Hz}$.Let the fundamental frequency be $n$. We check for the greatest common divisor $(GCD)$ of these frequencies.$255 = 3 	imes 85$$425 = 5 	imes 85$$595 = 7 	imes 85$Since all given frequencies are odd multiples of $85 	ext{ Hz}$ $(3n, 5n, 7n)$,the pipe must be closed at one end.The fundamental frequency (base frequency) is $n = 85 	ext{ Hz}$.

What is the base frequency if a pipe gives notes of frequencies $425 \text{ Hz}, 255 \text{ Hz},$ and $595 \text{ Hz}$? Also,decide whether the pipe is closed at one end or open at both ends.

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