যদি 2a = 3b = 4c হয়, তবে \(\dfrac{1}{a}:\dfrac{1}{b}:\dfrac{1}{c}\) এর মান নির্ণয় করুন

1
2 ∶ 3 ∶ 1
2
2 ∶ 3 ∶ 3
3
2 ∶ 3 ∶ 4
4
2 ∶ 3 ∶ 2

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