Question

# Use Pascal triangle to expand

## The correct answer is: Using this, the sixth line can be used to find the expansion of . Thus, we have:

### ANSWER:

Hint:

Pascal's Triangle is a method to know the binomial coefficients of terms of binomial expression (x + y)^{n}, where n can be any positive integer and x,y are real numbers. Pascal Triangle is represented in a triangular form, it is kind of a number pattern in the form of a triangular arrangement.

We are asked to find the binomial expansion of using Pascal’s formula.

Step 1 of 1:

The Pascal’s triangle is given by:

Using this, the sixth line can be used to find the expansion of . Thus, we have:

.Note:

The answer cam also be found by expanding the formula of .

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