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(X,-3,4X-1)is arithmetic sequence,find the value of X
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Sep 26, 2018
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(X,-3,4X-1)is arithmetic sequence,find the value of X
Mathematics
high-school
Stefano Siano
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Stefano Siano
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First write 2 equations for the common difference :-
-3-X = d
4X-1 -(-3) = d so:-
-3-X = 4X + 2
-5 = 5X
X = -1
and d = -3-(-1) = -2
and the sequence is -1 , -3, -5
Nouar
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Oct 1, 2018
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Nouar
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