Answer:
An = a+ (n-1)d
Now, a7= a+6d = 32---------------(1)
a13= a+ 12d =62-------------------(2)
Subtracting (1) and (2)
-6d = (-30)
d = 5
Putting the value of 'd ' in (1)
a + 6 (5) = 32
a + 30 = 32
a = 32- 30
a = 2, d = 5
So, the required A.P is 2, 7, 12, 17,22.......
Answer:
physical system, human systems, environment, society, geography, and regions
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They are built up by <span>distributaries.
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