Get detailed explanations to advanced GMAT questions.

If x ≠ – 1, then is equal to

Option A:

-1

Option B:

1

Option C:

x

Option D:

1-x

Option E:

x-1

Option D is the correct answer.

We can use a2 – b 2 = (a+b)(a-b)

So in the given expression, only (1-x) is left in the numerator all the other will get cancel with denominator.

- If x is an integer greater than 1, is x equal to the 12th power of an integer?

- A farmer spent $35 on feed for chickens and goats. He spent 40% money on chicken feed, which he…

- If snow accumulation increased at a constant rate of 30 millimeters per hour during a certain…

- 3 teaspoons = 1 tablespoon, 4 tablespoons = 1/4 cup. According to the information above, how many teaspoons are equal to 3/8 cup?

- A farmer who grows strawberries defines a “workday yield” as the number of litres of strawberries that…

- Copyright © 2019. All Rights Reserved. Crafted by Pixelmattic