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Consider f(x) = sin^(-1) [2x] + cos^(-1...

Consider ` f(x) = sin^(-1) [2x] + cos^(-1) ( [ x] - 1)` ( where `[.]` denotes greatest integer function .) If domain of `f(x) " is " [a,b) ` and the range of ` f(x) ` is `{c,d}" then " a + b + (2d)/c ` is equal to ( where ` c lt d`)

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