JEE MAIN - Mathematics Hindi (2020 - 4th September Morning Slot - No. 3)

अगर $$\left( {2{x^2} + 3x + 4} \right)^{10} = \sum\limits_{r = 0}^{20} {{a_r}{x^r}} $$ हो,

तो $$\frac{{a_7}}{{a_{13}}}$$ का मान ______ है।
Answer
8

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