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JEE Main 22 July 2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 88 of 90
 
Marks: +1, -0
If the constant term, in binomial expansion of(2xr+
1
x2
)10 is 180 , then r is equal to _______.
[22 Jul 2021 Shift 2]
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