MATHEMATICS

JAMB 2008 - Question 24

Mathematics 2008 JAMB Past Questions - Question 24: if (-2 1) (p q)=(1 ; 0). what is the value ; ; (2 3) (r s) ;(0 ; 1)

if (-2 1) (p q)=(1 ; 0). what is the value ; ; (2 3) (r s) ;(0 ; 1)
A:
B:
C:
D:
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Correct Answer

D

Explanation

-2p +r = 1 ...........................(i)2p + 3r = 0r = 1+2p ....................(iii)2p +3 (1+2p)=02p +3 +6p=03 - 8p = 0 8p = 3p = 3/86 = 1 - 2 (3/8)=1-6/88-6 / 8 = 2/8 = 1/4