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2018 WAEC Further Mathematics Theory Given that \(m = 3i - 2j ; n = 2i - 3j\) and \(p...

Further Mathematics
WAEC 2018

Given that \(m = 3i - 2j ; n = 2i - 3j\) and \(p = -i + 6j\), find \(4m + 2n - 3p\).

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Explanation

\(m = 3i - 2j ; n = 2i - 3j ; p = -i + 6j\)

\(4m + 2n - 3p = 4(3i - 2j) + 2(2i - 3j) - 3(-i + 6j)\)

= \(12i - 8j + 4i - 6j + 3i - 18j\)

= \(19i - 32j\)


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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995