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Chapter 6: Q. 237 (page 613)

In the following exercises, factor completely.

121r2-s2

Short Answer

Expert verified

The required factors are(11r+s)(11r-s)

Step by step solution

01

Step 1. Given Information

The given expression is121r2-s2

02

Step 2. Calculation

We will find the factors by using the property.

121r2-s2=(11r)2-s2=(11r+s)(11r-s)

03

Step 3. Check

We will verify the factors by multiplying the factors.

(11r+s)(11r-s)=(11r)2-s2=121r2-s2

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