5,-5,5,-5,..., Determine if the given sequences represent an AP, assuming that the pattern continues. If it is an AP, find the nth term.
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Given sequence '
5 , -5 , 5 , -5 ,....
a2 - a1 = -5 - 5 = -10
a3 - a2 = 5 - ( -5 ) = 5 + 5 = 10
Therefore ,
a2 - a1 ≠ a3 - a2
Difference of two successive terms
are not equal in the sequence.
Given sequence is not an A.P
••••
5 , -5 , 5 , -5 ,....
a2 - a1 = -5 - 5 = -10
a3 - a2 = 5 - ( -5 ) = 5 + 5 = 10
Therefore ,
a2 - a1 ≠ a3 - a2
Difference of two successive terms
are not equal in the sequence.
Given sequence is not an A.P
••••
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