Advertisements
Advertisements
Question
If a b + b log a - 1 = 0, then prove that ba.ab = 10
Sum
Solution
Given alogb + bloga - 1 = 0
⇒ log(b)a + log(a)b - log10 = 0
⇒ log(ba . ab) = log 10
∴ ba . ab = 10.
shaalaa.com
More About Logarithm
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
If log√27x = 2 `(2)/(3)` , find x.
Show that : loga m ÷ logab m + 1 + log ab
Given : `log x/ log y = 3/2` and log (xy) = 5; find the value of x and y.
Solve : log5( x + 1 ) - 1 = 1 + log5( x - 1 ).
Solve for x, if : logx49 - logx7 + logx `1/343` + 2 = 0
Solve for x: log (x + 5) = 1
If x + log 4 + 2 log 5 + 3 log 3 + 2 log 2 = log 108, find the value of x.
Express the following in a form free from logarithm:
3 log x - 2 log y = 2
Express the following in a form free from logarithm:
5 log m - 1 = 3 log n
If log (a + 1) = log (4a - 3) - log 3; find a.