AP and TS EAMCET Engineering 2020 Model Paper 2

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Question : 15 of 160

Marks: +1, -0

The line

x

a

+

y

b

=1 is a tangent to the curve y=be−

x

a

at

(
b
a
,−a)
(−a,
b
a
)
(
a
b
,−b)
(0,b)

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