Which of the following is one of the roots of the quadratic equation ${2 x}^{2} - 7 x + 3 = 0$ ?

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Solution

The correct option is B
3

$\Rightarrow 2 x^{2} - 7 x + 3 = 0 \Rightarrow 2 x^{2} - 6 x - x + 3 = 0 \Rightarrow 2 x (x - 3) - 1 (x - 3) = 0 \Rightarrow (x - 3) (2 x - 1) = 0 \Rightarrow x = 3 a n d x = \frac{1}{2}$

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Which of the following is one of the roots of the quadratic equation 2x2−7x+3=0 ?

The correct option is B 3 ⇒2x2−7x+3=0⇒2x2−6x−x+3=0⇒2x(x−3)−1(x−3)=0⇒(x−3)(2x−1)=0⇒x=3 and x=12

Which of the following is one of the roots of the quadratic equation ${2 x}^{2} - 7 x + 3 = 0$ ?

The correct option is B
3

$\Rightarrow 2 x^{2} - 7 x + 3 = 0 \Rightarrow 2 x^{2} - 6 x - x + 3 = 0 \Rightarrow 2 x (x - 3) - 1 (x - 3) = 0 \Rightarrow (x - 3) (2 x - 1) = 0 \Rightarrow x = 3 a n d x = \frac{1}{2}$