Question

The 10th term of A.P 54,51,48,45,..........is

Answer 1

a=54 d=-3

a10=a+9d

a10=54+9×(-3)

a10=54-27

a10=27

Answer 2

Using general term of an ap we find 10th term of the given AP.

general term of an AP is. An = a + ( n-d )

so,

10th term of the AP is

= 54 + ( 10 -1 )(-3)

= 54 + 9(-3)

= 54 - 27

= 27

Hope it is helpful for you

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