anyone knows how to do this vector question? Part (iii) and (iv)? Ans are (iii)

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junior college 2 | H2 Maths
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junior college 2 H2 Maths Singapore

anyone knows how to do this vector question? Part (iii) and (iv)? Ans are (iii) b=1 ,c=3 (iv)3x+y+2z=2 . Any help would be appreciated :)

Date Posted: 5 years ago

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are you sure c=3?

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another more complicated method cause brain fart

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answer for part 4

Date Posted: 5 years ago