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If + =4 , then what is the value of ?

Options

  1. A8/17
  2. B8/15
  3. C15/17
  4. D23/32

Correct answer

C. 15/17

Step-by-step solution

aligned + 1 & =4 1+ & =4 (1+ )^2 & =16 ^2 & =16 (1- ^2 ) (1+ )^2 & =16(1- )(1+ ) 1+ & =16-16 17 & =16-1 & = 15 17 . aligned

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