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iGCSE (2021 Edition)

17.01 Binomial expansions

Interactive practice questions

Which of the expressions below is equivalent to $\left(a+b\right)^2$(a+b)2?

$a^2+b^2$a2+b2

A

$a^2-2ab+b^2$a22ab+b2

B

$a^2-b^2$a2b2

C

$a^2+2ab+b^2$a2+2ab+b2

D
Easy
< 1min

Which of the expressions below is equivalent to $\left(a-b\right)^2$(ab)2?

Easy
< 1min

$\left(3+4\right)^2=3^2+4^2$(3+4)2=32+42

Easy
1min

$\left(y-3\right)^2=y^2-9y+9$(y3)2=y29y+9

Easy
1min
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Outcomes

0580C2.2C

Expand products of algebraic expressions.

0580E2.2C

Expand products of algebraic expressions.

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