1.

Simplify \[\frac{-3{{a}^{2}}b\times 15ca{{b}^{2}}}{-10\,cab}\].

A.  \[\frac{3}{2}{{a}^{2}}{{b}^{2}}\]                               
B.  \[\frac{9}{2}{{a}^{2}}{{b}^{2}}\]               
C.  \[\frac{3}{2}{{a}^{3}}{{b}^{3}}\]               
D.         \[\frac{7}{2}{{a}^{2}}{{b}^{2}}\]
Answer» C.  \[\frac{3}{2}{{a}^{3}}{{b}^{3}}\]               


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