Question

(7/5x2y+3/8a)3 repuesta

Answer 1

Explicación paso a paso:

Binomio al cubo:  

(a ± b)³ = a³ ± 3a²b + 3ab² ± b³

Resolvamos:

(7/5x²y + 3/8a)³ =(7/5x²y)³+3(7/5x²y)²(3a) + 3(7/5x²y)(3a)²+(3a)³

(7/5x²y + 3/8a)³ =343/125x⁶y³+ 441/25x⁴y²a + 189/5x²ya²+27a³