Use the geometric series formula to find the sum of $\ {a}+ {a^2} + {a^3} + {a^4}$ [Hint: The series does not begin with 1.]
A) $\frac { ( a ) ^ { 4 } - 1 } { (a ) - 1 }$
B) $\frac {{a}^{5} - 1 } { {a} - 1 }$ -1
C) $\frac { a ^ { 5 } - 1 } { a - 1 }$
D) $4a^{4}$

Question

Use the geometric series formula to find the sum of $\ {a}+ {a^2} + {a^3} + {a^4}$ [Hint: The series does not begin with 1.] 
A) $\frac { ( a ) ^ { 4 } - 1 } { (a ) - 1 }$
B) $\frac {{a}^{5} - 1 } { {a} - 1 }$ -1
C) $\frac { a ^ { 5 } - 1 } {  a - 1 }$
D) $4a^{4}$

Quizplus · Accepted Answer

The Answer of Use the geometric series formula to find the sum of $\ {a}+ {a^2} + {a^3} + {a^4}$ [Hint: The series does not begin with 1.] 
A) $\frac { ( a ) ^ { 4 } - 1 } { (a ) - 1 }$
B) $\frac {{a}^{5} - 1 } { {a} - 1 }$ -1
C) $\frac { a ^ { 5 } - 1 } {  a - 1 }$
D) $4a^{4}$

Use the Geometric Series Formula to Find the Sum Of a+a2+a3+a4\ {a}+ {a^2} + {a^3} + {a^4} a+a2+a3+a4

Use the Geometric Series Formula to Find the Sum Of $\ {a}+ {a^2} + {a^3} + {a^4}$