(Q10) (1-1 ) solving quadratic equation in one variable.

 

1sec ≫ First term  ≫ Algebra ≫ Unit 1 ≫ (1-1 )  solving quadratic equation in one variable.

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(Q10)

If the opposite figure represents the curve of the function \( f \), then the solution set of the equation \( f(x) = 0 \) in \( \mathbb{R} \) is:

1. \(\{3, -1\}\)
2. \([2, 8]\)
3. \(\varnothing\)
4. \(\{0\}\)

(c).