If and are the roots of the quadratic equation , what is the value of ?

Answer and explanation

Correct answer: D.

  1. Step 1: Multiply the quadratic equation by : .
  2. Step 2: Since and satisfy , they must also satisfy , which gives and .
  3. Step 3: Compute : and . Therefore, .
Answer
.
Why not the others: is just a single term ; is ; miscalculates as .

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