Question help which is true about a 99% confidence interval based on a given sample?
1 answer:
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Option B
<u>ANSWER: </u>
The factors of is
<u>SOLUTION: </u>
Given, cubic expression is
Now, we have to find the factors of above equation.
To factorize the given equation, follow the below steps:
Since x is common in every term of expression, we can take it as common
“2x” can be rewritten as “x + x”, the above equation becomes,
Taking the common terms out of bracket. we get
x(x (x + 1) + 1 (x + 1))
Taking (x + 1) as common., we get
x ((x + 1)(x + 1))
Hence, the second option b is correct.