Question

Simplify.
$1) \: ( {a}^{2} - {b}^{2} {)}^{2} \\2) \: (ab + bc {)}^{2} - 2a {b}^{2}c$
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Answer 1

Answer:

ANSWER

(ab+bc)

2

−2ab

2

c

Using,

(a+b)

2

=a

2

+2ab+b

2

we get,

=(ab)

2

+2(ab)(bc)+(bc)

2

−2ab

2

c

=a

2

b

2

+2ab

2

c+b

2

c

2

−2ab

2

c

=a

2

b

2

+b

2

c

2

Answer 2

Answer:

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