Question

of 1
Show that (a - b)?, (a? + b?) and (a + b)? are in A.P.
The sum of
1​

Answer 1

Step-by-step explanation:

(a-b)²,a²+b²,(a+b)²

a²+b²-2ab , a²+b² , a²+b²+2ab

They are in A. P with a common difference 2ab.