If tn denotes nth term of the ap 27,12,17---- find the value of (a30-a20)?
Answers
Answered by
2
Answer:
HEYY MATE..
a30=27+29d
a20=27+19d
a30-a20=10d
Hope it helps u...
please mark me as a brainliest..❤..
Answered by
2
Answer:
a = 27
d = -5
t30 = 27-30*5 = -123
t20 = 27-20*5 = -73
t30-t20 = -123-(-73) = -50 (Ans)
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