p,q are two prime numbers. Fo n=pq, if the expansion (\sqrt^4{x^{-5}}+2\sqrt^5{x^4})^n contains non-zero coefficient x^{-n} and x^\circ , then the least value of such n is

TS EAMCET 14-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

Question : 17 of 160

Marks: +1, -0

p,q are two prime numbers. Fo n=pq, if the expansion (4√x−5+25√x4)n contains non-zero coefficient x−n and x° , then the least value of such n is

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