Math, asked by chandraballia1992, 2 months ago

3. If x = 1 and y = -1, find the value of the following:
(a) x² + y2 +2xy​

Answers

Answered by Chhama
0

Answer:

(1)^2+(-1)2+2(1)(-1)

=1-2-2

=-3

Answered by kkkkkkkkkkk44
0

Answer:

hope it heips you

Step-by-step explanation:

x=1

y=-1 for

x square +y2+2xy

sub value of x and y

(1)+2(-1)+2(1)(-1)=0

1+(-2)+(-2)=0

1-2+(-2)=0

-1-2=0

hence the answer is

-3

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