Explicación paso a paso:
[tex](\frac{25ab^2 }{36})(\frac{14a^2b^3}{72})(\frac{68a^3b^4}{15})+(\frac{3a^5b^4}{2} )[/tex]
[tex]\frac{(25ab^2)(14a^2b^3)(68a^3b^4)}{36*72*15}+ \frac{3a^5b^4}{2}[/tex]
[tex]\frac{23800a^6b^9}{38880} +\frac{3a^5b^4}{2}[/tex]
[tex]\frac{595a^6b^9}{972} + \frac{3a^5b^4}{2}[/tex]
