If you notice the terms, they're
7, -21, 63, -189 and so forth.
7*-3 = -21 and -21 * -3 is 63 and so forth, meaning the "common ratio" is -3.
now, for a common ratio say "r", which is a fraction, namely less than ±1 and more than 0, or |r| < 1 , you do have a convergent sequence.
however this one notice, |-3| is 3, and that's greater than 1 clearly, therefore is divergent, meaning the summation has no finite value.
Answer:
3/4
Step-by-step explanation:
Give brainliest if it helped...(:
Answer:
130
Step-by-step explanation:
Answer:
4th option
Step-by-step explanation:
open circle means more than or less than
n is more than -3 but less than 1