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Question
Choose the correct alternative:
If x = a sin θ and y = b cos θ, then `("d"^2y)/("d"x^2)` is
Options
`"a"/"b"^2 sec^2 theta`
`- "b"/"a" sec^2 theta`
`- "b"/"a"^2 sec^3 theta`
`- "b"^2/"a"^2 sec^3 theta`
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Solution
`- "b"/"a"^2 sec^3 theta`
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