Recent activity by Alen Alexander

Recent activity by Alen Alexander

1. The vectors a, b and c are given by: a = 2î +3j - 4k b = 5î+4ĵ+ 7k c = 6i +2j-k Find: (i) 2a+3b-c (ii) a-2b+4c (iii) 5a+2b-c (iv) a-b-3c This is a Further Maths question help the correct answer or I

asked Nov 24, 2023

1 answer 223k views

In the diagram below, AB || CD, AD || BC, m/ABC = 110°, m/CDE = 37° and m/ECB = 43°. Find m/DEC. A B 110° E D 37° 43° C Use photo to understand better PLEASE HELP

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1 answer 266k views

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