Question

Find the 10th term of AP 12, 15, 18 ….​

Answer 1

Answer:

a=12,d=15-12=3

t10= a+(n-1)d

t10=12+9×3

t10= 39

Step-by-step explanation:

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Answer 2

Answer:

Given,

a=12

d=15-12=3

Then , using an=a+(n-1)d

a10=12+(10-1)3

a10=12+27

a10=39

OR

WE know that,

a10=a+9d

a10=12+9(3)

a10=12+27

a10=39

Step-by-step explanation:

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