JEE Main 27 July 2021 Shift 1 Solved Paper

Section: Mathematics

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Question : 68 of 90

Marks: +1, -0

If the coefficients of x7 in (x2+

1

bx

)11 and x−7 in(x−

1

bx2

)11,b≠0, are equal, then the value of bis equal to:

[27 Jul 2021 Shift 1]

2
−1
1
−2

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