Subject

    গাণিতিক যুক্তি

    Topic

    সরলীকরণ

    যদি a = 2b = 3c এবং abc = 36 হয়, তাহলে c = কত?

    ক)
    \(\sqrt 2 \)
    খ)
    \(2\sqrt 2 \)
    গ)
    2
    ঘ)
    \({4^{3\;}}\sqrt 2 \)

    Explanation

    a = 2b = 3c তাহলে, a = 3c, b=3c/2 so, abc = 36 => 3c × 3c/2 × c = 36 => 9/2 c 3 = 36 => c 3 = 2/9 × 36 => c 3 = 8 => c 3 = 2 3 c=2

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