CUSAT 2022 BTech Solved Paper Shift 1

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Question : 133 of 200

Marks: +1, -0

Let x2+y2=t+‌

1

t

and x4+y4=t2+‌

1

t2

. Then ‌

dy

dx

is equal to

‌
y
x
‌
x
y
−‌
y
x
−‌
x
y

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