Question

Find the LCD of the pair of expressions. 1/2;4/x^2 A. 4x^2 B. 2x^2 C. 2x D.x^2 Find the LCD of the pair of expressions. 8/5b; 12/7b^3c A. 7b^3c B. 12b^3c^2 C.35b^3c^2 D.35b^3c^2 Find the LCD of the pair of expressions. 3m/m+n, 3n/m-n

Answer 1

We are given the expression
1/2 and 4/x²

The LCD is simply 2x²

The second pair of expressions is
8/5b and 12/7b

The LCD is simply
5(7)b = 35b

The last pair is
3m/m+n and 3n/m-n

The LCD is
(m + n)(m -n)