Question

Which of the following is correct?
a) (a-b)2 = a2+2ab-b
2
b) (a- b)2 = a2 – 2ab+b2
c) (a-b)2 =a2
-b
2
d) (a-b)2 =a2 +2ab-b
2

Answer 1

Answer:

CORRECT ANSWER IS B

Step-by-step explanation:

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Answer 2

Answer:

b option

( a - b )^2 = a^2 - 2ab + b^2