Math, asked by suhasdb171204, 5 months ago

if a=13 a15=55 find d

Answers

Answered by codroo80

1

Step-by-step explanation:

........ ......................

Answered by dhakarerishav

3

Step-by-step explanation:

a15 = a+14d

55 =13+14d

55-13=14d

d= 42÷14

d=3

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