O Level Emaths

For "O" level EMaths students to try

Question

Find the nth term formula for 7, 13, 25, 49 .......

(Hint : Using the the calculator Casio FX 95SG PLUS to cheat will not be able to find the nth term formula for this question)

There is another method to cheat to find the nth term formula for this type of numbers.

3(2^n) + 1

is it?

3(2^n) + 1

is it?

Yes, it is correct.