Answer:
I suppose it should be
6b² and (6b²)²
or
6b² and 36
Step-by-step explanation:
(a+b)² = a² + 2ab + b²
therefore
(6b²+2a)² = (6b²)² + 12ab² + 4a²
A student takes an exam containing 18 true or false questions. If the student guesses, what is the probability that he will get
exactly 6 questions right? Round your answer to four decimal places.
1 answer:
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Answer:
Step-by-step explanation:
Given [Missing from the question]
Required
Solve
Using factorization, we have:
Expand 2x
Factorize
Factor out 2x - 1
Split:
In both cases, solve for x
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