Find the common difference of an AP whose first term is 16 and fifth term is 0.
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Answer:
The common difference of an A.P is -3.
Step-by-step explanation:
Given : An A.P whose first term is 12 and fifth term is 0.
To find : The common difference of an A.P ?
Solution :
The first term of an A.P is a=12
The fifth term of an A.P is a_5=a+4da
5
=a+4d
We have given, a_5=0a
5
=0
Substitute the value,
0=12+4d0=12+4d
4d=-124d=−12
d=-\frac{12}{4}d=−
4
12
d=-3d=−3
The common difference of an A.P is -3.
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