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OpenStudy (tinash):
Indices QUESTION. PLEASE HELP
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OpenStudy (tinash):
Write 125/root 5 in the form 5^p. hence solve 5^3x-1 = 125/root5
OpenStudy (welshfella):
125 = 5^3 (5*5*5) 125 / sqrt 5 = 5^3 / 5^1/2 = 5^(3 - 1/2) = 5^ (5/2)
OpenStudy (welshfella):
so the equation becomes 5^(3x -1)= 5^(5/2) can you see how this might be solves?
OpenStudy (welshfella):
Hint: |dw:1472994826805:dw|
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