JEE Mains 06-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

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Question : 66 of 75

Marks: +1, -0

if the constant term in the binomial expansion of (√x−

k

x2

)10 is 405, then |k| equals :

[6 Sep 2020 Shift 2]

2
1
3
9

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