Question

Is the nth term of an AP is 2n-1 find the 20th term and its AP

Answer 1

Step-by-step explanation:

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Answer 2

GIVEN:

The nth term of an AP is 2n-1

TO FIND:

The 20th term and its AP

SOLUTION:

$a_{n} =2n-1\\a_{20}=2*20-1$

AP is

$a_{1}=2*1-1=1\\a_{2}=2*2-1=3\\a_{3}=3*2-1 =5$

HENCE, the 20th term and its AP=1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,