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Mathematics for IGCSE & O level - Indices 2 (Section 1 - No. 36)
Simplify: (3a
2
b)
2
3a
4
b
2
6a
4
b
2
9a
4
b
2
9a
2
b
2
Forklaring
Square each term in the parenthesis: 3
2
* (a
2
)
2
* b
2
= 9a
4
b
2
.
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