can someone help me with questions 3 and 4, thank you!

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secondary 3 | A Maths
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secondary 3 A Maths Singapore

can someone help me with questions 3 and 4, thank you!

Date Posted: 3 years ago

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B = 3 and A = 14

Date Posted: 3 years ago

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For qn 4a

Date Posted: 3 years ago

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For qn 4b, u can choose to use a^2 - b^2 = (a+b)(a-b)

Date Posted: 3 years ago