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If `f(x)=|"cos"(x+x^2)"sin"(x+x^2)-"cos"(x+x^2)"sin"(x-x^2)"cos"(x-x^2)sin(x-x^2)sin2x0sin2x^2|,t h e n` `f(-2)=0` (b) `f^(prime)(-1/2)=0` `f^(prime)(-1)=-2` (d) `f^(0)=4`

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