JEE Advanced 2020 Full Test 7 Paper 2

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Question : 40 of 54

Marks: +1, -0

If ‌

x

a

+‌

y

b

=1 is a tangent to the curve x=4t,y=‌

4

t

,t∈R then

a>0,b>0
a>0,b<0
a<0,b>0
a<0,b<0

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