AP and TS EAMCET Engineering 2020 Model Paper 1

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Question : 36 of 160

Marks: +1, -0

If

d

dx

[

1+x2+x4

1+x+x2

]=ax+b then (a,b)=________

(−1,2)
(−2,1)
(2,−1)
(1,2)

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