Jenny was asked to simplify fraction numerator x plus 1 over denominator x squared minus 1 end fraction divided by fraction numerator x plus 1 over denominator x minus 1 end fraction comma space x not equal to negative 1 comma space 1 Which of the following is a correct simplification of this expression? Question 9Answer a. fraction numerator scriptbase up diagonal strike x plus 1 end strike end scriptbase presuperscript 1 over denominator left parenthesis x minus 1 right parenthesis left parenthesis up diagonal strike x plus 1 end strike right parenthesis to the power of 1 end fraction cross times fraction numerator x plus 1 over denominator x minus 1 end fraction equals fraction numerator x plus 1 over denominator left parenthesis x minus 1 right parenthesis squared end fraction b. fraction numerator scriptbase up diagonal strike x plus 1 end strike end scriptbase presuperscript 1 over denominator scriptbase left parenthesis up diagonal strike x minus 1 end strike right parenthesis end scriptbase presuperscript 1 left parenthesis x minus 1 right parenthesis end fraction cross times fraction numerator scriptbase up diagonal strike x minus 1 end strike end scriptbase presuperscript 1 over denominator scriptbase up diagonal strike x plus 1 end strike end scriptbase presuperscript 1 end fraction equals fraction numerator 1 over denominator x minus 1 end fraction c. fraction numerator scriptbase up diagonal strike x plus 1 end strike end scriptbase presuperscript 1 overd