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Question
If `"x" = "a" ("cos" theta + theta "sin" theta), "y = a" ("sin" theta - theta "cos" theta), "then" ("d"^2 "y")/("dx"^2) =` ____________.
Options
`("sec"^3 theta)/("a" theta)`
`("sec"^2 theta)/ theta`
`"a" theta "cos"^3 theta`
`("sec"^2 theta)/ "a"`
MCQ
Fill in the Blanks
Solution
If `"x" = "a" ("cos" theta + theta "sin" theta), "y = a" ("sin" theta - theta "cos" theta), "then" ("d"^2 "y")/("dx"^2) =` `underline(("sec"^3 theta)/("a" theta))`.
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