TS EAMCET 4-Aug-2021 Shift 1 Question Paper

Section: Mathematics

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Question : 70 of 160

Marks: +1, -0

If x2+xy+y2 = k, then

d2y

dx2

=

−6k
(x+2y)3
−6k
(x+2y)2
x2+xy+y2
(x+2y)2
0

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