Question

find 10th term of an AP 9,5,1,-3......​

Answer 1

Answer:

• a=9
• d=5-9=-4

a(10)=9+(10-1)(-4)=9-36=-27

Answer 2

Given,,

a=9,,d=a2-a=5-9=-4,,n=10,,an=a10=a+9d

since,,an=a+(n-1)d

=>a10=9+(10-1)(-4)

=9+9(-4)

=9-36

=-27

so,the 10th term is -27..