the general term of a sequence is given by an= -4n+15.Is the sequence an AP ? If so , find its 15th term and the common difference
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SOLUTION
Put n= 1,2,3... we get
=) 11,7,3.......
This series is AP
first term a= 11
common difference (D)= -4
15th term= a+(n-1)d
=) 11+14×(-4)
=) 11-56
=) -45 (15th term)
hope it helps ✔️
Answered by
2
Answer:
Put n= 1,2,3... we get
=) 11,7,3.......
This series is AP
first term a= 11
common difference (D)= -4
15th term= a+(n-1)d
=) 11+14×(-4)
=) 11-56
=) -45 (15th term)
Step-by-step explanation:
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