Give the formula for the arithmetic sequence.
1, -1, -3, -5, …

tn = 1 + 2(n – 1)

tn = 1 – 2(n – 1)

tn = 1 + 2(n – 1)

tn = 1 – 2(n + 1)

Question

Give the formula for the arithmetic sequence.
1, -1, -3, -5, …
 
		
tn = 1 + 2(n – 1)
 		
tn = 1 – 2(n – 1)
 		
tn = 1 + 2(n – 1)
 		
tn = 1 – 2(n + 1)

anonymous · Answer

is it the first and 3d answer? just makin sure

anonymous · Answer

well the first and third ones are the same... so yea

anonymous · Answer

try to analyse the situation 
every time u write the next tern u are going off with two numbers so cant u write an ap formula for it

anonymous · Answer

as a trick u can also satisfy the numbers in the given option