Find value of m so that
(–3)^m- 1 X (–3)^5 = (–3)^7
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Answer:
(-3) ^m-1 × (-3) ^5 = (-3 ) ^ 7
(-3) ^ m-1+ 5 = (-3) ^7
(-3) ^m+4 = (-3) ^7
base are same both sides
therefore, m+ 4 = 7
= m= 7- 4
m= 3
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