Question

  5 PRIMEIROS TERMOS AN=n²+1

Answer 1

$a_1=1^2+1=2\\ a_2=2^2+1=5\\ a_3=3^2+1=10\\ a_4=4^2+1=17\\ a_5=5^2+1=26$

Answer 2

AN=n²+1
a1=1²+1⇒1+1⇒a1=2
a2=2²+1⇒4+2⇒a2=5
a3=3²+1⇒9+1⇒a3=10
a4=4²+1⇒16+1⇒a4=17
a5=5²+1⇒25+1⇒a5=26