JEE Main 25 Feb 2021 Shift 1 Solved Paper

Section: Mathematics

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Question : 80 of 90

Marks: +1, -0

If Rolle's theorem holds for the function f(x)=x3−ax2+bx+4,x∈[1,2] with f′(‌

4

3

)=0, then ordered pair (a,b) is equal to

[25 Feb 2021 Shift 1]

(5,8)
(−5,8)
(5,−8)
(−5,−8)

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