1 / 3, 1 / 7, 1 / 9... The nth number is
1/(2n+1)
RELATED INFORMATIONS
- 1. Please write the following changes in the text expression 1. A dark red powder burns in oxygen and produces a lot of white smoke 2. A light yellow powder burns in the air and gives off a weak light blue flame 3. A silvery white metal burns in oxygen 4. A kind of black powder burns violently in oxygen and emits white light. The colorless gas generated can make clear lime water turbid
- 2. All the expressions of words and letters before the ion in the ninth grade
- 3. Chemical oxygen production should be complete and good
- 4. In VB, such an expression M 5
- 5. The value of expression "25 / 2 ^ 3" in VB? Why?
- 6. How to write the expression in VB sq1 = Trim(Text4.Text) IF.THEN How to write an expression like "SS%" here
- 7. Ask the great Xia about the meaning of an expression in VB pi=4# * Atn(1#) edal=edal/100#
- 8. Chemistry (converting literal expressions into chemical equations) 1.h2+02-h20 2.h2+o2-hcl 3.c+o2- 4.s+o2- 5.hg+o- 6.p+o2- 7.fe+o2- 8.mg+o2-mgo
- 9. It is proved that the line passing through the right focus F of the ellipse intersects with the ellipse at a and B, and when the line is perpendicular to the X axis | ab | is the shortest It is proved that the line passing through the right focus F of the ellipse x ^ 2 + 4Y ^ 2 = 4 intersects the ellipse at a and B, and | ab | is the shortest when the line is perpendicular to the X axis Please prove that, in fact, when it is not vertical, | ab | > 1
- 10. Principles of Computer Organization Second Edition (Tang shuofei) Chapter 6 after class exercise answers 6.27 second sub question steps and answers,
- 11. The nth number is 2 4 6 8 10 what is the nth number? What is the nth number 14 9 16 25 what is the nth number? 12 / 14 / 18 / 16 what is the nth number What is the nth number of 0 3 8 15 24? What is the nth number of 1 3 6 10 15 What is the number n of 24 8 16 32
- 12. 1. - 3.5. - 7.9 according to this rule, how to express the nth number
- 13. 1, 3, 5, 7, 9. What's the nth number
- 14. 1, - 3,5, - 7... According to this rule, what is the nth number?
- 15. 1,5,9,13,17. Express the nth number with algebraic formula
- 16. A string number: 5, 10, 17, 26 The nth number is represented by an algebraic expression containing n
- 17. As in 2 / 3 - 3 / 4 4 / 5 - 5 / 6 6 / 7 - 7 / 8, the nth number
- 18. -1 / 2,2 / 3, - 3 / 4,4 / 5, - 5 / 6,7 / 8... Conjecture the sum of the nth number and the nth plus one number (n is odd)
- 19. 1,-2,3,-4,5,-6,7,-8…… What is the number 2004 and the number 2005?
- 20. 1, - 2,3, - 4,5, - 6,7, - 8______