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If (2x^2+3x+4)^(10)=sum(r=0)^(20) ar x^r...

If `(2x^2+3x+4)^(10)=sum_(r=0)^(20) a_r x^r`, then `(a_7)/(a_(13)`=

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JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-MATHEMATICS
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