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

probability that they are both the same color, Consider two bags, A and B,...

Consider two bags, A and B, with the following contents a)    A single marble is drawn from each bag. What is the probability of getting a white marble out of Bag A and a red marb

Funtions, find the no of solution of 2*3*4*5*6*6

find the no of solution of 2*3*4*5*6*6

The new area is 168 square inches how many inches increase, A 4-inch by 6-i...

A 4-inch by 6-inch photograph is going to be enlarged through increasing each side by the similar amount. The new area is 168 square inches. How many inches is each dimension incre

Integral test- harmonic series, Integral Test- Harmonic Series In ha...

Integral Test- Harmonic Series In harmonic series discussion we said that the harmonic series was a divergent series.  It is now time to demonstrate that statement.  This pr

Ineqaulites, how to work out inequalities with negative signs?

how to work out inequalities with negative signs?

Find the straight distance between a and b, There is a staircase as shown i...

There is a staircase as shown in figure connecting points A and B. Measurements of steps are marked in the figure. Find the straight distance between A and B. (Ans:10) A ns

Value delivery, What do you mean by value delivery

What do you mean by value delivery

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