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What is the 20th term of the sequence 3,5,9,15,23,33

Sagot :

33

Step by Step Explanation:

The first number given is 3.

When we add 2 we get 3+(2)=5

Then in five you have to add (2+2)=4

I.e. 5+4=9

After this you have to add (2+2+2) in 9

9+(2+2+2)=15

Which means you have to add 2 in the previous added number and then add it to the last answer in the sequence.

15+(2+2+2+2)=23

And at the last you get 23+(2+2+2+2+2)=33