AP and TS EAMCET Engineering Model Paper 18

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Question : 12 of 160

Marks: +1, -0

If y=

1

1+xβ−α+xγ−α

+

1

1+xα−β+xγ−β

+

1

1+xα−γ+xβ−γ

then

dy

dx

=

0
1
(α+β+γ)xα+β+γ−1
xα+xβ+xγ

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