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The parameter on which the value of the ...

The parameter on which the value of the determinant `|[1,a,a^2"],[cos"(p-d)x,cosp x",cos"(p+d)x"],[sin"(p-d)x,sinp x,"sin"(p+d)x]|` does not depend is `a` b. `p` c. `d` d. `x`

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