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If fraction numerator 1 over denominator left parenthesis a x plus b right parenthesis left parenthesis c x plus d right parenthesis end fraction equals fraction numerator A over denominator a x plus b end fraction plus fraction numerator B over denominator c x plus d end fraction then fraction numerator 1 over denominator left parenthesis a x plus b right parenthesis to the power of 2 end exponent left parenthesis c x plus d right parenthesis end fraction equals

  1. fraction numerator A over denominator left parenthesis a x minus b right parenthesis to the power of 2 end exponent end fraction plus fraction numerator A B over denominator a x minus b end fraction plus fraction numerator B to the power of 2 end exponent over denominator c x plus d end fraction    
  2. fraction numerator A over denominator left parenthesis a x plus b right parenthesis to the power of 2 end exponent end fraction plus fraction numerator A B over denominator a x minus b end fraction plus fraction numerator B to the power of 2 end exponent over denominator c x plus d end fraction    
  3. fraction numerator A over denominator left parenthesis a x plus b right parenthesis to the power of 2 end exponent end fraction plus fraction numerator A B over denominator a x plus b end fraction plus fraction numerator B to the power of 2 end exponent over denominator c x plus d end fraction    
  4. fraction numerator A over denominator left parenthesis a x minus b right parenthesis to the power of 2 end exponent end fraction plus fraction numerator A B over denominator a x plus b end fraction plus fraction numerator B to the power of 2 end exponent over denominator c x minus d end fraction    

The correct answer is: fraction numerator A over denominator left parenthesis a x plus b right parenthesis to the power of 2 end exponent end fraction plus fraction numerator A B over denominator a x plus b end fraction plus fraction numerator B to the power of 2 end exponent over denominator c x plus d end fraction

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