Mathematics
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This is a logs question If u=x/y^2, which expression is equivalent to log u? 1) log x + 2 log y 2) 2(log x log y) 3) 2(log x + log y) 4) log x 2 log y
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The expression log(x^n/ radical y)is equivalent to 1. n log x  1/2 log y 2. n log x 2 log y 3. log (nx)  log (1/2y) 4. log (nx)  log (2y)
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Prove that log a, log ar, log ar^2 is an a.p. Is the following below correct? Log ar^2  Log ar= Log ar  Log a hence applying laws of logarithm Log(ar^2/ar) = log(ar/a) Log and log cancels out and then crossmultiply hence a^2r^2
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