if 3+k, 18-k, 5k+1are in A.P. then find k
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Answered by
2
Answer:
aapka solution may it help you bro
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Answered by
1
Answer:
k=4
Step-by-step explanation:
a2 - a1 = a3 - a2
18 - k - 3 - k = 5k + 1 - 18+ k
15 - 2k = 6k - 17
-2k - 6k = -17 - 15
-8k = -32
so,
k=4
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