Question

If (a - b)+(a+b) = 25, then (a + b) = ?
(b) 25
(d) 150
(a) 30
(c 12​

Answer 1

Answer:

as we know :-

Explanation:

We know (a2 - b2) = (a - b) (a + b)

So, (a2 - b2) ÷ (a + b) = 25

⇒ (a−b)(a+b)a+b

= 25

⇒ (a - b) = 25