AMU Engineering 2019 solved paper Solved Paper

Section: Mathematics

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Question : 148 of 150

Marks: +1, -0

If y=

1

√a2−b2

cos−1[

a‌cos(x−a)+b

θ

] where θ=a+b‌cos(x−α), then

dy

dx

is equal to

1∕θ
2∕θ
1∕θ2
2∕θ2

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