Advertisements
Advertisements
प्रश्न
If log 27 = 1.431, find the value of : log 9
Advertisements
उत्तर
log 27 = 1.431
⇒ log 3 x 3 x 3 = 1.431
⇒ log 33 = 1.431
⇒ 3log3 = 1.431
⇒ log 3 = `1.431/3`
⇒ log 3 = 0.477 ...(1)
log 9
= log( 3 x 3 )
= log 32
= 2 log 3
= 2 x 0.477 ...[ from(1) ]
= 0.954
APPEARS IN
संबंधित प्रश्न
If x = (100)a , y = (10000)b and z = (10)c , find log`(10sqrty)/( x^2z^3)` in terms of a, b and c.
If log (a + b) = log a + log b, find a in terms of b.
Prove that : If a log b + b log a - 1 = 0, then ba. ab = 10
If log10 a = b, find 103b - 2 in terms of a.
If 2 log y - log x - 3 = 0, express x in terms of y.
Given: log3 m = x and log3 n = y.
If 2 log3 A = 5x - 3y; find A in terms of m and n.
Express the following in terms of log 5 and/or log 2: log125
Express the following in terms of log 5 and/or log 2: log500
Express the following as a single logarithm:
`2"log"(15)/(18) - "log"(25)/(162) + "log"(4)/(9)`
If 2 log x + 1 = 40, find: x
