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Which of the following is the correct expansion of ?
MATHEMATICS · Single correct · GCSE · Mathematics · Algebra · Algebra
Problem
Which of the following is the correct expansion of
(
a
−
b
)
2
(a-b)^2
(
a
−
b
)
2
? (a)
a
2
−
b
2
a^2 - b^2
a
2
−
b
2
(b)
a
2
−
2
a
b
+
b
2
a^2 - 2ab + b^2
a
2
−
2
ab
+
b
2
(c)
a
2
+
2
a
b
+
b
2
a^2 + 2ab + b^2
a
2
+
2
ab
+
b
2
(d)
a
2
−
a
b
+
b
2
a^2 - ab + b^2
a
2
−
ab
+
b
2
Related theory
Algebraic Identities
Polynomials
Square of a binomial
Algebra
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