Question

. If x = 2 and y = –1 , then the value of: * X2 - Y2
(a) 2
(b) –1
(c) 3
(d) 5​

Answer 1

Answer:

(c) 3

Step-by-step explanation:

[2]^2-[-1]^2

= 4-1

= 3

(c) 3

Answer 2

Answer:

x=2 , y=-1

x square - y square

=2 square - (-1 square)

=4+1

=5.