Free account: track your progress — Sign up free

Post-UTME Mathematics 2008 Objective — Question 4

Question 4 of 16 from the Post-UTME Screening (Post-UTME) Mathematics 2008 Objective paper, with the correct answer and a full explanation.

If X=[[1,2],[0,3]] and Y=[[2,1],[4,3]], find XY

A. [[10,7],[12,9]]Correct
B. [[2,7],[4,17]]
C. [[10,4],[4,6]]
D. [[4,3],[10,9]]

Explanation

Multiplying: row1=[1×2+2×4, 1×1+2×3]=[10,7]; row2=[0×2+3×4, 0×1+3×3]=[12,9].

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2008 Objective More Mathematics past papers