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Date May Example question Marks available 2 Reference code EXM.2.AHL.TZ0.5
Level Additional Higher Level Paper Paper 2 Time zone Time zone 0
Command term Write down Question number 5 Adapted from N/A

Question

Let A ( a b c 0 ) and B ( 1 0 d e ) . Giving your answers in terms of a , b , c , d  and e ,

write down A + B.

[2]
a.

find AB.

[4]
b.

Markscheme

* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.

A + B ( a b c 0 ) + ( 1 0 d e )

= ( a + 1 b c + d e )             A2

[2 marks]

a.

AB = ( a b c 0 ) + ( 1 0 d e )             A1A1A1A1

Note: Award N2 for finding BA = ( a b a d + c e b d ) .

[4 marks]

b.

Examiners report

[N/A]
a.
[N/A]
b.

Syllabus sections

Topic 1—Number and algebra » AHL 1.14—Introduction to matrices
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Topic 1—Number and algebra

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