Q. What is the value of (a - b), if (a^2 - b^2)/(a + b) = 25?
β
Correct Answer: (D)
25
Explanation: According to the identity,
a^2 - b^2 = (a + b) (a - b)
It is given that (a^2 - b^2)/(a + b) = 25
So, it can be written as (a + b) (a - b)/(a + b) = 25
Hence, (a - b) = 25
a^2 - b^2 = (a + b) (a - b)
It is given that (a^2 - b^2)/(a + b) = 25
So, it can be written as (a + b) (a - b)/(a + b) = 25
Hence, (a - b) = 25
Explanation by: Ravi Chauhan
According to the identity,
a^2 - b^2 = (a + b) (a - b)
It is given that (a^2 - b^2)/(a + b) = 25
So, it can be written as (a + b) (a - b)/(a + b) = 25
Hence, (a - b) = 25
a^2 - b^2 = (a + b) (a - b)
It is given that (a^2 - b^2)/(a + b) = 25
So, it can be written as (a + b) (a - b)/(a + b) = 25
Hence, (a - b) = 25