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Practice | SPM Mathematics

SPM 1449 Mathematics (KSSM)

Question
Bahasa Melayu
Diberi bahawa

[1 -4 ; n 5/2] * [5 8 ; 1 2] = I

dengan keadaan I ialah matriks identiti 2 x 2. Hitung nilai n.

English
It is given that

[1 -4 ; n 5/2] * [5 8 ; 1 2] = I

where I is the 2 x 2 identity matrix. Calculate the value of n.
[2 marks]
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Modelled on PINTAS trial · Kertas 2 · Q13(a)

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Modelled on PINTAS trial · Kertas 2 · Q13(a)
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