1.

The 4th order chebyshev polynomial is:

A. 8x<sup>4</sup>-8x<sup>2</sup>+1
B. 4x<sup>3</sup>-4x<sup>2</sup>+1
C. 4x<sup>3</sup>-3x
D. none of the mentioned
Answer» B. 4x<sup>3</sup>-4x<sup>2</sup>+1


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