Advertisements
Advertisements
प्रश्न
Find x, if : log432 = x - 4
योग
Advertisements
उत्तर
Consider the equation
log432 = x - 4
⇒ 4x - 4 = 32
⇒ (22)x - 4 = 25
⇒ 22( x - 4 ) = 25
⇒ 2x - 8 = 5
⇒ 2x = 5 + 8
⇒ 2x = 13
⇒ x = `13/2`
⇒ x = `6 1/2`
shaalaa.com
Interchanging Logarithmic and Exponential Forms
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Express the following in exponential form : log80.125 = -1
Express the following in exponential form :
log100.01 = - 2
Solve for x : log10 x = -2.
Find the logarithm of : 0.125 to the base 2
State, true or false : If log10 x = a, then 10x = a.
State, true or false : If xy = z, then y = logzx .
Find x, if : logx 2 = - 1.
Find x, if : log5 (x - 7) = 1
Find x, if : log7 (2x2 - 1) = 2
If log (x2 - 21) = 2, show that x = ± 11.
