24. A string of length L and linear mass density \(\lambda\) is under a tension F and vibrates in its fundamental mode at f₁. What is the new fundamental frequency if the length L increases by 25%, the linear mass densityλdecreases by 20%, and the tension decreases by 20%?
(A)1.2 f₁
(B)0.8 f₁
(C)0.83f₁
(D)1.25 f₁
(E)None of the above

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