f the 2nd term of an AP is 13 and the 5th term is 25, what is its 7th term
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2
Answer:
33
Step-by-step explanation:
a2=a+d=13
a5=a+4d=25
- - -
________
-3d = -12
d= 4
a +d= 13
a+4=13
a=9
a7 = a+ (6-1)d
= 9+ 6(4)
= 9 + 24
=33
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