Question

For x = 5 and y = 2 , verify
( x - y )² = ( x² - 2xy + y²​

Answer 1

Answer:

(5)²- 2×5×2 + (2)²

25- 20+4

9

Answer 2

Answer:

put the value of x=5 and y=2 in the expression x2_2xy+y2

= (5)2 _ 2×5×2 +(2)2

= 25 _ 20 +4

=9 ans