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If 3x+k 2x+9 x+13 are three consecutive terms of an ap fine k

If 3x+k 2x+9 x+13 are three consecutive terms of an ap fine k
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If 3x+k 2x+9 x+13 are three consecutive terms of an ap fine k

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User Matt Pengelly
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1 Answer

2 votes

Explanation:

Since there are in arithmetic progression, 2(2x + 9) = (3x + k) + (x + 13).

=> 4x + 18 = 4x + 13 + k

Hence k = 5.

answered
User Simon Thompson
by
8.1k points
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