Question #6f584
2 Answers
Jan 13, 2018
Explanation:
The
The tenth term is
Jan 13, 2018
Explanation:
#"the n th term of a geometric sequence is "#
#•color(white)(x)a_n=ar^(n-1)#
#"where a is the first term and r the common ratio"#
#"here "a=2" and "r=sqrt2#
#rArra_(10)=2xx(sqrt2)^9#
#["note that "(sqrt2)^2=2]#
#rArra_(10)=2xx2^4sqrt2=2^5sqrt2=32sqrt2#