SOLUTION: what is the value of "a" given the quadtratic equation:
2/a^2 + 3/a = -1
Thanks!
Algebra.Com
Question 644163: what is the value of "a" given the quadtratic equation:
2/a^2 + 3/a = -1
Thanks!
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
what is the value of "a" given the quadtratic equation:
2/a^2 + 3/a = -1
**
let u=1/a
u^2=1/a^2
2u^2+3u=-1
2u^2+3u+1=0
(2u+1)(u+1)=0
u=-1/2
or
u=-1
..
u=-1/2=1/a
a=-2
or
u=-1=1/a
a=-1
..
a=-2 or -1
RELATED QUESTIONS
What is the value of the given expression:
2 log 1
a. 0
b. 1
c. 2
d. 3... (answered by Jk22)
What is the quadtratic equation when the roots are 1+rad3 and... (answered by FrankM)
A fastball is hit straight up over home plate. The ball's height, h (in feet), from the... (answered by jsmallt9)
What is the value of the given expression:
log (2+3)
a. log 2 + log 3
b. 2 log 3
(answered by Jk22)
Tell wheather the given value of the varible is a solution of the equation.... (answered by funmath)
Given that p is a whole number, and 1/4 < 2/p < 1/3, what is the value of... (answered by MathLover1,ikleyn,greenestamps)
Determine whether the given value of x is a root of the given polynomial equation.... (answered by JimboP1977)
If ax^3 + 2x^2 + 5 is exactly divisible by x+1,what is the value of a?... (answered by Theo,stanbon)
Given that a + 1/a = 3, what is the value of |a - 1/a| ?
a 5 1/2 b 2 1/2 c 1.5 d... (answered by richwmiller)