Question

AP = 10, 15, 20, 25 ........ 205

find the 20th tarm​

Answer 1

Answer:

105

Step-by-step explanation:

a+(n-1)*d

a=10

n=20

d=5

Answer 2

Answer:

20th term of this AP is 105.

Step-by-step explanation:

here it is given...

a=10

d = 15-10 = 5

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so, a20 = a + 19d

= 10 + 19(5)

= 105

hence, 20 th term is 105.

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hope it helps...

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