Answered

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Suppose a - b = 0Which one of these expressions equals ab?
A. 2a
B. 0
C. b^2
D. 2b
E. a/b

Sagot :

irspow

If a-b=0, a=b, so ab=bb=b^2

wegnerkolmp2741o

Answer:

b^2

Step-by-step explanation:

a - b = 0

Add b to each side

a-b+b = 0+b

a=b

We want to find ab

Replace a with b

b*b

b^2

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