2. Find m so that (-3)" (-3)5 = (-3)
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Answer:
(−3)
m+1
×(−3)
5
=(−3)
7
(−3)
m+1+5
=(−3)
7
(−3)
m+6
=(−3)
7
On both the sides powers have the same base different from 1 and -1, so their exponents must be equal.
Therefore, m + 6 = 7
or m = 7 - 6 = 1
Step-by-step explanation:
(−3)
m+1
×(−3)
5
=(−3)
7
(−3)
m+1+5
=(−3)
7
(−3)
m+6
=(−3)
7
On both the sides powers have the same base different from 1 and -1, so their exponents must be equal.
Therefore, m + 6 = 7
or m = 7 - 6 = 1
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