If a=15 and a12 = 124 , the value of d is Question If a=15 and a12 = 124 , the value of d is in progress 0 Math Ruby 4 weeks 2021-08-14T20:17:36+00:00 2021-08-14T20:17:36+00:00 2 Answers 0 views 0

## Answers ( )

Answer:The answer is given below

Step-by-step explanation:Given that,

a = 15

= 124 ———–(1)

Substituting a = 15 in equation (1)

General formula for Arthematic Progression is

= a + (n-1)d

= a + (12-1)d

124 = 15 + 11d

124 – 15 = 11d

109 = 11d

d =

d = 109/11

So,The value of d = 109/11

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