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secondary 3 | A Maths
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Amanda
Amanda

secondary 3 chevron_right A Maths chevron_right Singapore

Please help with b

Date Posted: 2 years ago
Views: 387
sstrike
Sstrike
2 years ago
(a)

9x² - 12xy + 4y² = (3x-2y)²

(b)
(3x-2y)² = 0

2y = 3x

y = ³⁄₂ ⋅ x

5÷(³⁄₂) = 5× ⅔ = ¹⁰⁄₃ (Ans)

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Cheng
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237 answers (A Helpful Person)
1st
not sure if it's supposed to be like this...
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sstrike
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