Question

si abab(n)=85
calcula a+b+n​

Answer 1

Respuesta:

$a \times {n}^{3} + b \times {n}^{2} + a \times n + b = 85$

$(a\times n)\times( {n}^{2} + 1)+b \times ( {n}^{2}+1)=85$

$( {n}^{2} + 1)(a \times n+ b) = 85$

n=4, a=1 b=1

Respuesta 4+1+1 = 6