The problem
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In the first step, why did the (-3+6) with the -2 exponent get changed to 1 over 3 to the second power?
Answer provided by our tutors
It is because
That is:
In the first step, why did the (-3+6) with the -2 exponent get changed to 1 over 3 to the second power?
It is because
That is:
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