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primary 5 | Maths
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Could you help me with this question? I am having trouble.
The first one (a) is just 1, 2, 3, 4, 5, ...
The second one (b) is 1 x 1, 2 x 2, 3 x 3, 4 x 4, 5 x 5...
The third one (c) appears to be (1 + 1) x 1, (2 + 4) x 2, (3 + 9) x 3, (4 + 16) x 4, (5 + 25) x 5 and so on.
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