Question

Find the number of term's in A.P 2,4,6, .......22​

Answer 1

Answer:

Here a = 2

d= 2. ,

a(n) = a+(n-1)d

22= 2+(n-1)2

20= (n-1)2

20/2= n-1

10+1=n

11=n

Answer 2

l=22, a=2, d=4-2

=2

l=a+(n-1)d

=>22=2+(n-1)2

=>20=(n-1)2

=>10=(n-1)

=>n=11

hope it may helps you.....

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