Question

The first term of an AP is -3 and tenth term is 24.find the 20th term.

Answer 1

Answer:

Step-by-step explanation:

a=-3

a10=24

a+9d=24

-3+9d=24

9d=27

d=3

a20=a+19d

      =-3+19[3]

       =-3+57

          =54

Answer 2

iAns : a = -3
a10 = a+ 9d = 24

=> -3 + 9d =24
=>9d= 27
=> d = 3

a20 = a + 19d
= -3 + 19 (3)= 54

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