Army Group X Practice Set 3

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Question : 63 of 70

Marks: +1, -0

If x=a‌cos‌θ,y=b‌sin‌θ, then the value of

d2y

dx2

is

−
b
a2
cosec3θ
−
b
a
sin3θ
−
b
a2
sin3θ
−
b
a
cosec3θ

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