3. If x = 1 and y = -1, find the value of the following:
(a) x² + y2 +2xy
Answers
Answered by
0
Answer:
(1)^2+(-1)2+2(1)(-1)
=1-2-2
=-3
Answered by
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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