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If and are the roots of the equation x^2-3 x+2=0 , then what is ( + ) equal to ?

Options

  1. A1 2
  2. B1 3
  3. C2
  4. D3

Correct answer

B. 1 3

Step-by-step solution

Given equation: x^2-3 x+2=0 Sum of roots, + =-(-3)=3 (i) Product of roots, =2 (ii) Now, ( + )= -1 + = 2-1 3 = 1 3 .

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