Using sequence 1, - 2,4, - 8,16, - 32 Ask a question and answer it The nth power of 2
What is its general formula? Just what sequence
A: the general term an = (- 2) ^ (n)
RELATED INFORMATIONS
- 1. 1 + 2 + 4 + 8 + 16 + 32 +... + 1024,
- 2. When calculating vertical division, pay attention to the division from the most () position, and write the quotient on () when dividing to ()
- 3. If you know, please let me know,
- 4. What numbers do the letters in the following vertical form represent? A B C D E F * 3 ____________________________ B C D E F A A B C D E F * 3 ____________________________ B C D E F A
- 5. What numbers do the letters in the following vertical form represent? a=______ b=______ c=______ e=______ .
- 6. In the following vertical forms, each letter represents a number from 0 to 9, and different letters represent different numbers. Find out the values that make the vertical form tenable. (2) (1)
- 7. Do you have any tips for the vertical form of supplementary division?
- 8. In the following division formula, fill in the number to make the vertical form tenable, then the quotient maximum is () □
- 9. Fill in the appropriate number in to make the following multiplication vertical form true
- 10. Write out the common factor A (S-5) + 2B (X-5) · of the following polynomials
- 11. Ask for some questions about mathematical polynomials Let the polynomials P (x) = x & sup3; + 3x & sup2; + ax + B and Q (x) = x ^ 4 + X & sup3; + ax & sup2; + 2x + B have the common factor X + 3, then the greatest common factor of P (x) and Q (x) is? Answer (x + 3) (X-2) The greatest common factor of polynomials x ^ 4 + 2x & sup3; - 4x & sup2; - 2x + 3 and X & sup3; + 4x & sup2; + X-6 is (besides factorization, is there any simple method or formula?) answer X & sup2; + 2x-3 If we divide the polynomials f (x) and G (x) by 2x & sup2; - 3x-2, we can get the remainder formula 2x + 3 and 4x-1 respectively, then the remainder formula obtained by dividing f (x) - G (x) by 2x + 1 is? 5
- 12. Explain Qin Jiushao's algorithm to me. I don't know much about it,
- 13. Factoring in real numbers, x-3x + X________
- 14. Factoring in real numbers: x ^ 2-3x-1 It's better to have steps, what method to use, and talk about ha and 3Q
- 15. Are there constants P and Q such that X4 + PX2 + Q can be divisible by x2 + 2x + 5? If it exists, find out the value of P and Q, otherwise, explain the reason
- 16. 6 = 1 + 2 + 3, so 6 is perfect. About 2200 years ago, Euclidean pointed out that the N-1 power of 2 is prime, so the N-1 power of 2 * (the N-1 power of 2) is a perfect number. Please write the next perfect number after 6 according to this conclusion. Why?
- 17. If M is a prime number, the third power of m plus 3 is a prime number, and the seventh power of m plus 7 is a prime number, why?
- 18. (1-A to the power of two) (1-B to the power of two) + 4AB factorization
- 19. If 1 + X + x2 + X3 = 0, find x + x2 + X3 +The value of X2000 (X2 is the square of x)
- 20. Given X3 + x2 + X + 1 = 0, find the value of 1 + X + x2 + X3 + X4