Question

if the first term if an ap is 3 common different is 2 than its 20 th term is
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Answer 1

Answer:a = 3 , d = 2

a20 = a + 19d

= 3 + 19 * 2

= 3 + 38

= 41

Answer 2

Answer:

a=3,d=2,n=20

an=a+(n-1)d

an=3+(20-1)2

an=3+19×2

an=3+38

an=41ans