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JEE Mains Model Paper 10

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Question : 62

Total: 90

The real functions f and g are given by f(x) = x – [x], g(x) = cos [x]π , where [x] denotes theintegral part of x, then the range of gof is

[- 1, 2]
{-1, 1}
{-1}
{1}

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