@Exercise # 4.4:- @Question # 2 & @Question # 3:-
Автор: Maths with Hajra Zeb.
Загружено: 2026-02-23
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@hajrazeb.9277
@Question # 2:-
In this question, you are given:
Third term of a geometric sequence = 27
Fifth term of the sequence = 243
You are asked to find the first term (a) and the common ratio (r).
What this question tests:
Understanding of the formula of nth term of a G.P.:
tn= a1r^n-1
Forming equations using given terms
Solving simultaneous equations
Finding the common ratio by dividing two equations
This question mainly checks your ability to apply the general term formula of a geometric sequence.
@Question 3 –
In this question, you are given:
Second term = 2
Third term = −√2
You are required to find the seventh term of the geometric sequence.
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