Which of the following is true ? A) The sum of two rational expressions is always a rational expression
Which of the following is true ?
A) The sum of two rational expressions is always a rational expression
B) p(x)/q(x) is in its lowest terms if LCM [p(x), q(x)] = 1.
C) The additive inverse of 1+x2 is x2−1.
D) Reciprocal of -2x/x2-1 is x2-1/2x
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