1.

If `f(x)={x^2 sin((pi x)/2), |x|=1` then `f(x)` isA. an even functionB. an odd functionC. a periodic functionD. None of these

Answer» Correct Answer - B
`f(-x)={((-x)^(2)"sin"(pi (-x))/(2)",",|-x| lt 1),((-x)|-x|",",|-x| ge 1):},`
`={(-x^(2)"sin"(pi x)/(2)",",|x| lt 1),(-x|x|",",|x| ge 1):}`,
`= -f(x)`


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