Solve For x :


 


x^3 - 3x = sqrt(x+2)

2 years ago

Share

Answers : (1)

                                        

sq. both the sides.. then taking x^2 common..


solving


x=-1 or x=2..


 


 


approve if u like

2 years ago

Post Your Answer

More Questions On Algebra

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
If f(x) is a quadratic expression such that f(x)>0 ∀ x ∈ R, and if g(x)=f(x)+f'(x)+f''(x), then prove that g(x) > 0 ∀ x ∈ R.
 
 
Ans: Hello Student, Please find answer to your question Let where a, b & c belong to real Since f(x) > 0 for all x a > 0 & Discriminent < 0 b 2 < 4ac..............(1) Let...
  img
Jitender Singh 20 days ago
 
We see that g(x) is a quadratic with the same leading coefficient as f(x) and hence g(x) has a minimum. Let that occur at x = x 0 . Then at x o , we have Then we have Since the minimum value...
 
mycroft holmes 20 days ago
IF a 1 , a 2 , a 3 ….….…...a n , A 1 , A 2 , A 3 ….…..,A n , K are all real numbers , then prove that (A 1 2 ÷ (x-a 1 ) ) + (A 2 2 ÷ (x-a 2 ) ) +......................... (A n 2 ÷ (x-a n ))...
 
 
Suppose z is a non-real root of the given equation i.e. Then by taking conjugates we see that Subtracting the two equations we get Since, z is non-real we have and hence which is not...
 
mycroft holmes 22 days ago
Let z 1 ,z 2 ,z 3 are three pairwise distinct complex numbers and t 1 ,t 2 ,t 3 are non negative real numbers such that t 1 +t 2 +t 3 =1. prove that the complex number z=t 1 z 1 +t 2 z 2 +t...
 
 
Let A represent the vertex z 1 , with B and C similarly defined. Let z be the point P We can write z = t 1 z 1 +t 2 z 2 +t 3 z 3 = t 1 z 1 +t 2 z 2 + (1-t 1 -t 2 )z 3 so that z-z 3 = t 1 (z...
 
mycroft holmes one month ago
pic is attached ...please solve with diagram ...please
 
 
Ans: Hello Student, Please find answer to your question below, Arrangement is something like this, but in place of y, we have x & vice-versa. Area of rectangle: …..........(1)...
  img
Jitender Singh 28 days ago
if angle A=90 2[r+R]=?
 
 
Hello Student, Thanks & Regards Arun Kumar Btech, IIT Delhi Askiitians Faculty
  img
Arun Kumar one month ago
 
Amazing sir :) Thanks
 
Leo Pixie one month ago
prove that four straight lines represented by the equation 12x 2 +7xy -12y 2 =0 and 12x 2 +7xy -12y 2 -x +7y -10 form a square
 
 
Hello Student, 12x2+7xy -12y2=0 12x2+7xy -12y2-x +7y -10 with first x=(-7y +- yroot(49+144*4))/24 you will get 2 lines from here with second do the same thing x=(-7y+1 +- root((7y-1)^2...
  img
Arun Kumar 2 months ago
View all Questions »