1.

If a and b are two numbers such that ab = 0, then -

A. = 0 and b = 0
B. = 0 or b = 0 or both
C. = 0 and b $$ \ne $$ 0
D. = 0 and a $$ \ne $$ 0
Answer» C. = 0 and b $$ \ne $$ 0


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