Plz with steps plz

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Explanation:

The (x-a) in the denominator causes a problem if we tried to simply directly substitute in x = a. This is because we get a division by zero error.

The trick often used for problems like this is to rationalize the numerator as shown in the steps below.

At this point, the (x-a) in the denominator has been canceled out. We can now plug in x = a to see what happens

There's not much else to say from here since we don't know the value of 'a'. So we can stop here.

Therefore,

irrational, cannot

98%

step-by-step explanation: