Given that a, B, C and D are equal ratio sequences with common ratio 2, then 2A + B2C + D = () A. 1B. 12C. 14D. 18

∵ a, B, C and D are equal ratio sequences with common ratio of 2. If ∵ B = 2A, C = 2B = 4A, d = 2C = 8a, then 2A + B2C + D = 2A + 2a8a + 8A = 14, then C is selected

RELATED INFORMATIONS

1. Given that a, B, C and D are equal ratio sequences with common ratio 2, then 2A + B2C + D = () A. 1B. 12C. 14D. 18
2. If the square of a minus AB equals three and the square of B plus AB equals two, then what is the square of a plus the square of B?
3. PI 10000 bits
4. Who can recite Pi
5. Top 10000 pi
6. All about pi What is Pi? I want to write a math diary,
7. The last 100 digits of PI
8. What is the last 100 digits of Pi?
9. One hundred digits of PI
10. Top 100 pi Just the top 100
11. Given that a, B, C and D are equal ratio sequences with 2 as common ratio, what is (2a + b) / (2C + D)?
12. It is known that a, B, C and D are equal ratio sequence with common ratio of 1 / 2, then (2a + b) / (2C + D) =? Process
13. Given that the formula ratio of the equal ratio sequence ABCD is 2, then 2A + B / 2C + D is?
14. 1. If the positive numbers a, B and C are three sides of the triangle and satisfy a ^ 4 + B ^ 4 + C ^ 4 = a ^ 2B ^ 2 + B ^ 2C ^ 2 + A ^ 2C ^ 2, try to determine the shape of the triangle 2. Decomposition factor A ^ 2 + B ^ 2 + C ^ 2 + 2ab-2ac-2bc 3. Factorization-4z ^ 2 + 4z-1
15. If the three sides of a triangle a B C satisfy a Λ 2b-a Λ 2c-ab Λ 2 + AC Λ 2 + B Λ 2C_ BC ∧ 2 = 0, judge the shape of triangle
16. It is known that the ternary linear equation 2A + 3b-4z = 8, and Z is expressed by the algebraic formula containing a and B____________
17. Finding the minimum value of a & # 178; - 2a-6
18. The known real number a satisfies: (A-3) &# 178; = (2a + 6) &# 178 (1) Find the value of A (2) If the real number B satisfies: (a + b) cube root = - 2, find the value of B Please answer in understandable language
19. 1. If a ＜ 3, simplify the algebraic formula 4 - │ 2a-6= 1. If a ＜ 3, simplify the algebraic formula 4 - │ 2a-6= 2. If the polynomial (2mx & # 178; - X & # 178; + 3x + 1) - (5x & # 178; - 4Y + 3x) exists, the value of this polynomial has nothing to do with the value of X. if it does not exist, please explain the reason. If it exists, ask for the value of M which satisfies the condition
20. a. B and C each represent a number, and 2A = 3C = 4b, a + 2B + C = 400 calculate ABC