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Secondary 1 | Maths
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Date Posted: 4 years ago
Views: 201
(a)
Keep multiplying by -3 from term to term, and you get x = -3 and y = -27.
Check that -3 * (-3) = 9 as well.
(b)
Letting n = 16, the 16th term
= 3 * 16 * (16 + 4)
= 3 * 16 * 20
= 48 * 20
= 960
Keep multiplying by -3 from term to term, and you get x = -3 and y = -27.
Check that -3 * (-3) = 9 as well.
(b)
Letting n = 16, the 16th term
= 3 * 16 * (16 + 4)
= 3 * 16 * 20
= 48 * 20
= 960
Thanks
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