Logarithmic function:solve for x: 4 log x2, Mathematics

Assignment Help:

Solve for x: 4 log x = log (15 x2 + 16)

Solution:              x4 - 15 x2 - 16 = 0

               (x2 + 1)(x2 - 16) = 0

               x = ± 4

  But log x is not described when x = - 4, the x = 4 is the only answer.

 

 


Related Discussions:- Logarithmic function:solve for x: 4 log x2

#title.automotive cruise control system., What are some of the interestingm...

What are some of the interestingmodern developments in cruise control systems that contrast with comparatively basic old systems

The bionomial theorem for rational index, use the bionomial theorem to expa...

use the bionomial theorem to expand x+2/(2-X)(WHOLE SQUARE 2)

Differentiate inverse tangent functions, Differentiate the following functi...

Differentiate the following functions. (a) f (t ) = 4 cos -1 (t ) -10 tan -1 (t ) (b)  y = √z sin -1 ( z ) Solution (a) Not much to carry out with this one other

Two circles touch each other externally, Two circles touch each other exter...

Two circles touch each other externally: Given: Two circles with respective centres C1 and C2 touch each other externaly at the point P. T is any point on the common tangent

Equation, how do you slove 4u-5=2u-13

how do you slove 4u-5=2u-13

Probability distributions, Probability Distributions Since the value of...

Probability Distributions Since the value of a random variable cannot be predicted accurately, by convention, probabilities are assigned to all the likely values that the varia

Mathematical statements are unambiguous- nature of math, Mathematical State...

Mathematical Statements Are Unambiguous :  Consider any mathematical concept that you're familiar with, say, a sphere. The definition of a sphere is clear and precise. Given any o

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd