Question

Is x= 1 a root of the equation 3x2-2x -1 = 0​

Answer 1

Answer:

1 is the root of the given equation

Step-by-step explanation:

If the value which satisfies the equation is called it's root or solution

Answer 2

QUESTION:

Is x= 1 a root of the equation 3x2-2x -1 = 0

ANSWER:

To check whether 1 is a root of the equation of not.

We put the value of x in given equation.

if p (1) = 0 then it is a root of the equation.

so,

$p(x) = 3 {x}^{2} - 2x - 1 \\ p(1) = 3 \times {1}^{2} - 2 \times 1 - 1 \\ p(1) = 3 - 2 - 1 \\ p(1) = 3 - 3 \\ p(1) = 0$

hence,

1 is root of the equation

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