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Chapter 7: Q. 202 (page 694)

In the following exercises, solve each rational equation

1+4n=21n2

Short Answer

Expert verified

The solution is n=-7,3

Step by step solution

01

Step 1. Given  

The given equation is:1+4n=21n2.

02

Step 2. To find 

We have to solve the equation.

03

Step 3. Calculation 

We will multiply both sides by LCD, then solve the linear equation.

1+4n=21n21n2+4nn2=21n2n2n2+4n=21n2+4n-21=0(n+7)(n-3)=0n=-7,3

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