Question
Question: The value of \(= \frac{1}{x^{2} - x + 1} - \frac{1}{x^{2} + x + 1}\)is....
The value of =x2−x+11−x2+x+11is.
A
⇒
B
a=3,a+b=5⇒b=2
C
∴
D
(a,b)=(3,2)
Answer
∴
Explanation
Solution
(1+x)−1=logabca
(1+x)−1+(1+y)−1+(1+z)−1=logabca+logabcb+logabcc