Question 1 Report
Simplify 9∗3n+1−3n+23n+1−3n
Answer Details
9∗3n+1−3n+23n+1−3n
= 3n∗3n∗31∗−32∗323n∗31−3n
= 3n(32∗31)3n(31−1)
= 27−93−1 27 − 9 3 − 1
= 182 18 2
= 9
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