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Question
If y `= "cos"^2 ((3"x")/2) - "sin"^2 ((3"x")/2), "then" ("d"^2"y")/("dx"^2)` is ____________.
Options
`- 3 sqrt(1 - "y"^2)`
9 y
- 9 y
`3 sqrt(1 - "y"^2)`
MCQ
Fill in the Blanks
Solution
If y `= "cos"^2 ((3"x")/2) - "sin"^2 ((3"x")/2), "then" ("d"^2"y")/("dx"^2)` is - 9 y.
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