Advertisements
Advertisements
Question
If a b + b log a - 1 = 0, then prove that ba.ab = 10
Sum
Advertisements
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
Show that : loga m ÷ logab m + 1 + log ab
Evaluate: logb a × logc b × loga c.
Given log10x = 2a and log10y = `b/2. "If" log_10^p = 3a - 2b`, express P in terms of x and y.
Solve for x, if : logx49 - logx7 + logx `1/343` + 2 = 0
Solve for x: log (x + 5) = 1
Solve for x: `("log"289)/("log"17)` = logx
If log x = a and log y = b, write down
102b in terms of y
If a = `"log" 3/5, "b" = "log" 5/4 and "c" = 2 "log" sqrt(3/4`, prove that 5a+b-c = 1
Prove that: `(1)/("log"_2 30) + (1)/("log"_3 30) + (1)/("log"_5 30)` = 1
If a = log 20 b = log 25 and 2 log (p - 4) = 2a - b, find the value of 'p'.
