Select all the equations that have {7} as its solution set. 65−2x=6x+9 9−x=14x 3+4x=5x−4 x2+1=8x−5
1 answer:
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To solve this problem you must apply the proccedure shown below:
1. You have to find the radius <span>of convergence of the following Maclaurin series:
</span>
2. Let's take the denominator and find the roots:
3. The roots are
and the distance from the origin is 
.
Therefore, the answer is:
1. You have to find the radius <span>of convergence of the following Maclaurin series:
</span>
2. Let's take the denominator and find the roots:
3. The roots are
Therefore, the answer is: