Question

5
Q.1 Choose the correct option -
1. ( a + b) (a - b)
rob
a-b
a²-b
(111) a? - b2
(iv)
none of these
​

Answer 1

Step-by-step explanation:

$a {}^{2} - b {}^{2}$

is the answer

I hope it helps you

Answer 2

Answer:

（a+b）（a-b）=a square-b square