SOLUTION: Use logb(7)=1.946 and/or logb(4)=1.386 to find the logarithm of logb(1/7)

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Question 1156431: Use logb(7)=1.946 and/or logb(4)=1.386 to find the logarithm of logb(1/7)
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39620) About Me  (Show Source):
Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
Use logb(7)=1.946 and/or logb(4)=1.386 to find the logarithm of logb(1/7) 
Not needed: matrix%281%2C3%2C+log+%28b%2C+%284%29%29%2C+%22=%22%2C+1.386%29

Needed:     matrix%281%2C3%2C+log+%28b%2C+%287%29%29%2C+%22=%22%2C+1.946%29