CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

If A=[1242], then show that |2A|=4|A|


Solution

Given A=[1242]   2A=2[1242]=[2×12×22×42×2]=[2484]
LHS=|2A|=2484=2×48×4=24
Now. |A|=1242=1×24×2=6
 RHS=4|A|=4×(6)=24 LHS=RHS

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
View More


People also searched for
View More



footer-image