What is the value of the angle ?
1 answer:
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Answer: The mistake is improper use of distribution property.
Step-by-step explanation:
It is given that .
We need to find the mistake.
The given expression is
Using distribution property, we get
So, .
In the given calculation the 3 is not distributed properly because 3 is not multiplied with 2.
Therefore, the mistake is improper use of distribution property.