Find the value of the expression a2 – 2ab + b2 for a = 2, b = -1.
Answers
Answered by
1
Answer:
(2)2 - 2 (2)(-1) + (-1)(2)
4-(-4) +(-2)
4+4-2
8-2
6
Answered by
0
Answer:-
7
Step-by-step explanation:
if a=2 , b=-1 then
=2²-2×[2×(-1)]-(-1)²
=4-2[-2]-1
=4+4-1
=7
I hope it's helpful for you
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