Question

A= 2 la n × 3 la n × 5 la n + 2 la n × 15 la n × 14 + 3 la n este divizibil cu 0 × 2 la n
Helpppp

Answer 1

A=2^n•3^n•5+2^n•15^n




2^n(2•3•5)+(2•15)=0•2^n
2^n(30+30)=2^n
2^n60=2^n
n=30
2^30