Question

qual o 20° termo de PG (1/44, +1/22, 1/11,...)

Answer 1

a1 =  1/44
a2 =  1/22
q = 1/22 :  1/44  ou   1/22 * 44/1 = 44/22 = 2 ***

a20  = a1 . q¹⁹
a20  =  1/44 *  2¹⁹ = 1/44 * 524288  = 524288/44 =131072/11 ****