Math, asked by miae53498, 5 months ago

Determine the AP whose fourth term is 18 and the difference of the ninth term from the
fifteenth term is 30.

Answers

Answered by pranavtenjerla

Answer:

AP is : 3,8,13,18,23... so on

Step-by-step explanation:

a+3d=18

a+14d - (a+8d) = 30; 6d=30

d=5;

a + 3*(5) = 18;

a=3;

AP is : 3,8,13,18,23... so on

Answered by mkprasanna15

Answer:

it is given that 4th term is 18

a4= 18

a + 3d = 18

a = 18 - 3d

Also, a15 - a9 = a+ 14d - 1 - 8d = 30

6d = 30

d = 5

thus , from (1),we get ,

9 = 18 - 15 = 3

Therefore the AP is:

3,8,13,18,23...........

Step-by-step explanation:

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Determine the AP whose fourth term is 18 and the difference of the ninth term from the fifteenth term is 30.

Answers

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Determine the AP whose fourth term is 18 and the difference of the ninth term from the
fifteenth term is 30.