Given log18 (9) = a, 18 ^ B = 5, use a, B to represent log36 (45)=______

a=log18(9) ∴lg9=lg18*ab=log18(5) ∴lg5=lg18*blog36(45)=log18(45)/log18(36)=(lg5+lg9)/(lg18+lg2)=(lg18*b+lg18*a)/(lg18+lg18-lg9)=(lg18*b+lg18*a)/(lg18+lg18-lg18*a)=(a+b)/(2-a)

RELATED INFORMATIONS

1. If the m power of - 3a, the cubic power of B and the N + 1 power of - A are of the same kind, then 3m-2n = () is the process of solving the problem
2. Simplification [(3n-1) power of (2n-1)] / 2
3. The 2nth power of (- 20) × (- 2) n is a positive integer
4. If a and B are opposite numbers, n is a positive integer. Are the 2n power of a and the 2n power of B opposite numbers
5. The result of addition is sum, the result of subtraction is difference, and the result of multiplication is sum___ The result of division is___ The result of the power is___ The power is a special power___
6. Power and product 1: (XY ^ 4) m means m of XY4 square 2: - (P ^ 2q) n means the ^ n of: - (sum of squares of P, q) 3: (XY ^ 3n) ^ 2 + (XY ^ 6) ^ n means the square of (XY ^ 3n) + (XY ^ 6) ^ n 4: (- 3x ^ 3) ^ 2 - {(2x) ^ 2} ^ 3 means: (- 3x's Cube) square - {(2x) square} cube
7. It is known that the 24th power - 1 of 2 can be divided by two integers between 0 and 10 sit back and wait
8. It is known that 3a-1 and 13-5a are the square roots of X. to find the value of X, whether there should be two solutions (the answer is two solutions), why? There are specific answers To explain why there are two solutions
9. This year, three times of Xiaogang's age is equal to five times of Xiaofang's age. Ten years later, if four times of Xiaogang's age is equal to five times of Xiaofang's age, Xiaogang's age this year will be five times______ I'm 40 years old
10. 3 + 0.7x = 10
11. What is polynomial ascending and descending power permutation
12. What is ascending and descending power? How to sort it?
13. Given log18 (9) = a, 18 ^ B = 5, use a, B to represent log36 (5)=______
14. It is known that log189 = a, 18b = 5, and log3645 is represented by a and B
15. The expansion of F (x) = 1 / (2 + x) into a power series of X It also points out the establishment range
16. F (x) = (1 + X Λ 2) e Λ x is expanded into a power series of X
17. The function f (x) = LNX is expanded by Taylor series when x = 1
18. Why is the commonly used Taylor series ln (1 + x) instead of LNX? It is the alpha power of (1 + x), not the alpha power of X
19. Finding Taylor series of F (x) = LNX at x = 2 How to find the convergence domain How to calculate the open and closed interval of convergence domain
20. How LNX develops into power series