Show that AI = IA = A.A = 
What will be an ideal response?
AI = 
= 
= 
= A
IA = 
= 
= 
= A
AI = IA = A
Mathematics
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Solve the rational equation. If there is no solution, state this as your answer.
+ 
= - 
A. {-6} B. {4} C. {0} D. no solution
Mathematics
Write the expression in terms of sines and/or cosines, and then simplify.
A. sin x
B. 
C. 
D. 
Mathematics
Simplify the expression. If any variables are present, assume that they are positive.
A. 
B. 2xy
C. 4
D. 2
Mathematics
Simplify.
? 
? 
A. 
B. 
C. 
D. 
Mathematics