Find the sum of the sequence 1,2,3,8_upto 10 term
Answers
Answered by
1
Answer:
This is model for ur sum
Step-by-step explanation:
answr
search
What would you like to ask?
MATHS
Find the sum of the sequence 96−48+24... upto 10 terms.
Share
Study later
ANSWER
The series is
96−48+24.......
Here,
a
1
a
2
=
96
−48
=−
2
1
a
2
a
3
=
−48
24
=−
2
1
So the series is in G.P. with common ratio, r=−
2
1
S
10
=
1−r
a(1−r
10
)
S
10
=
1+
2
1
96
⎝
⎛
1−(−
2
1
)
10
⎠
⎞
=96×
3
2
×(
2
10
2
10
−1
)
=64(
2
10
2
10
−1
)
=
2
4
2
10
−1
=
16
1023
Similar questions