1,5,9,13,17 the rule of the above group of numbers is: write the formula
4n-3(n≥1)
RELATED INFORMATIONS
- 1. Proof: inequality 2 / 2 + 3 / 2 + 4 / 2 + n / 2 is less than N / 1 No mistakes... This is from a book. It seems to be less than N-1 of n
- 2. 1 + 3 + 5 + 7 +. + (2n-1) = the square of n Is this formula right?
- 3. Why 1 + 3 + +What about the square of (2n-5) + (2n-3) = (n-1)?
- 4. Help to use mathematical induction to prove that the square of 1 / 2 + 1 / 3 is always less than 1 when it is added to the square of 1 / n Notice that it's 1 / 2!
- 5. 1 = 1 square 1 + 3 = 2 square 1 + 3 + 5 = 3 square How to do it? Help ~
- 6. 2. (3 √ 5 + 2 √ 6) (2 √ 6-3 √ 5) 3.√2(√2-√6)+(1+√3)(1-√3) 4.(2√3-3√2)(2√2+√3)
- 7. (√ 5 + 1) (√ 5-1) = (2 - √ 7) (√ 7 + 2) = (2 √ 3 + 1) square (7 - √ 3) (2 √ 3 + 1)= (√ 5 + 1) (√ 5-1) = (2 - √ 7) (√ 7 + 2) = (2 √ 3 + 1) square =? (7-√3)(2√3+1)=
- 8. Square of - 5 + 2 × (- 3) square - 7 × (- 1 / 3) square=
- 9. Calculation: 12-22 + 32-42 + 52-62 + +20012-20022+20032-20042.______
- 10. The square of 1 - the square of 2 + the square of 3 - the square of 4 + the square of 5 - the square of 6 + +The square of 99
- 11. How to fill in the formula of 1 + 2 + 3 + 2 + 1 according to the rule
- 12. 1, 3, 7, 13
- 13. A formula for finding a group of number rules in high school mathematics
- 14. 5 / 4, 29 / 9, 83 / 16, 180 / 25, 331 / 366 find the general formula of this group of numbers or tell the law of this group of numbers The last number is 331 / 36. If you are interested, I will give you a bonus
- 15. How much is the next? It's better to have a general formula! 32144680, the following numbers are required
- 16. General term formula of a group of numbers The general formula of two groups of numbers is 3,8,15,24,35, two negative 2 / 3,4 / 15, negative 6 / 35,8 / 63, negative 10 / 99 ~
- 17. Observe the following numbers and find out the nth number according to the rule What are the reasons for 1 in 2, 3 in 4, 7 in 8 and 15 in 16
- 18. How much is it to add from 1 to 100?
- 19. From 1 to 100, what is the result?
- 20. What's 1 up to 100