How do you find the LCD of #(2-y^2)/(y^2-49 )#, #(y-4)/(y+7)#?
1 Answer
See the solution process below:
Explanation:
The denominator for the fraction on the left is a special form of the quadratic:
If we let:
Therefore:
So, the lowest common denominator is:
And to put the fraction on the right over the common denominator we need to multiply it by the appropriate form of