A^2 - b^2 = (a-b)(a+b)
To test it, expand the right hand side.
You can get all the answeres easily.
Heres number 1: -1/5
Number 1 a and d are true
number to its b c and d
number 3 idk, sorry
Answer:
A General Note: The Product Rule for Simplifying Square Roots. If a and b are nonnegative, the square root of the product a b \displaystyle ab ab is equal to the product of the square roots of a and b.
Step-by-step explanation:
