The 7th term of an A.P. is -4 and it's 13th term is -16. Find the A. P.
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a7 = a+6d
-4 = a+6d --------(1)
a13 = a+12d
-16 = a+12d ----------(2)
from equation (1) and (2)
a = 8
d = -2
now the AP is........
8,6,4,2,0,-2,-4.............
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-4 = a+6d --------(1)
a13 = a+12d
-16 = a+12d ----------(2)
from equation (1) and (2)
a = 8
d = -2
now the AP is........
8,6,4,2,0,-2,-4.............
====================
pls mark as brainliest
Anonymous:
what is the answer.................... i am don't know that my answer is right or wrong
pls tell
17d
pls tell right or wrong
Its correct
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