Question

10 th term of ap 5,1,-3,-7

Answer 1

Answer:

a=5

d=1-5=-4

a+9d=5+9•-4

=5-36

=-31

Answer 2

Answer:

GIVEN SEQUENCE :- 5 , 1 , -3 ,

-7 ...... IS A A.P.

TO FIND :-

10th TERM OF A.P.

=》 FIRST TERM = 5

=》 COMMON DIFFERENCE = 1 - 5 = -4

SO ,

10 th TERM = FIRST TERM + 9 × ( COMMON DIFFERENCE)

$= > t_{10} = 5 + 9 \times ( - 4) \\ \\ = > t_{10} = 5 - 36 = - 31$

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