write 3 terms of GP when a=81,r=-1/3
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Answered by
7
Answer:
Step-by-step explanation:
The terms of GP are a, ar, ar², ar³, ar⁴ ......
First term, a = 81
2nd term = ar = 81* 1/3 = 27.
3rd term term = 81* (1/3) ²= 9
4th term = 81 * (1/3)³ = 3
So the GP is 81, 27, 9 , 3, 1 ....
Answered by
4
EXPLANATION :
1st term of GP a=81
and common ratio r=-1/3
\\
\sf \: 3rd \:term = 81 \times {-\frac{1}{3}^{3}[/tex]
HOPE THIS IS HELPFUL...
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