Question

Perform the indicated operation.
(14a^2/10b^2)x(21a^2/15b^2)

A.0
B.1
C.b/a

Answer 1

if you mean
\[\frac{ 14a ^{2} }{ 10b ^{2} }\times \frac{ 15b ^{2} }{ 21a ^{2} }\]
then you can cancel/cross out the variables then simplify to the answer of B. 1