Log2 x 1 log2 8 x 3
[DOC File]Indeks & Logaritma
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Feb 05, 2012 · log2 (x + 5) = log2 (x – 2) + 3. Ans : x = 3 L8. Solve the equation. log5 (4x – 7) = log5 (x – 2) + 1. Ans : x = 3 L9. Solve log3 3(2x + 3) = 4. Ans : x = 12 L10 . Solve log2 8(7 – 3x) = 5. Ans : x = 1 UNIT 5.6.1 To Determine the value of a logarithm without using calculator. EXAMPLE EXERCISE C1. Given log2 3 = 1.585, log2 5 = 2.322 ...
[DOC File]Logarithm Worksheet
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27. log2(x(x2+1)/√x2-1) Use the Laws of Logarithms to combine the expression as a single logarithms. 28. log 12 + ½ log 7 – log 2. 29. log5(x2-1) – log5(x-1) Use the Change of Base Formula and a calculator to evaluate the logarithm, correct to six decimal places. Use either natural or common logarithms.
[DOC File]Name_____________________________________Date ...
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1. log6 x = 2 2. log5 x = 3 3. log16 x = 4. log9 x = 5. log2 x = -1 6. log7 x = 3 7. log4 4(x+2) = 5 8. log3 x = 4 . Part 6: Change Base. Solve for x. Round to 3 decimal places if necessary. If x is the exponent of the log, then use the change base formula and the calculator. Be sure to get the exponent by itself! 1. log3 5 = x 2. log 6 50 = x ...
[DOC File]Remainder & Factor Theorems
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Exercise 1A. 2 (a) 2y = 3x ( 1 ( y = ----- (1) + = 15 ----- (2) Subs. (1) into (2): 4x ÷ + ÷ x = 15 + = 15 = 15 = 15. 97x2 ( 54x + 9 = 15(6x2 ( 2x)
[DOC File]January 2005 - 6664 Core C2 - Question paper
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3. Find, giving your answer to 3 significant figures where appropriate, the value of x for which (a) 3x = 5, (3) (b) log2 (2x + 1) – log2 x = 2. (4) 4. (a) Show that the equation. 5 cos2 x = 3(1 + sin x) can be written as. 5 sin2 x + 3 sin x – 2 = 0. (2) (b) Hence solve, for 0 ( x < 360(, the equation. 5 cos2 x = 3(1 + sin x),
[DOC File]logarithm equations
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Dec 06, 2006 · Solve each of the following equations for x: 1. log(x) + log(x+9) = 1 2. log(x) – log(x + 3) = 1. 3. log(x + 9) – log(x) = 1 4. log(2x + 1) – log(x – 9) = 1
[DOC File]Chapter 5
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Message Probability Code A 1/5 0 0 B 1/4 0 1 C 1/4 1 0 D 3/10 1 1 Assumption : Let us assume that the message transmission rate be r = 4000 messages/sec. (a) To determine the source entropy : H = log2 (5) + log2 (4) + log2 (4) + 0.3 log2 (10/3)
[DOC File]Розвязування логарифмічних рівнянь
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935°. Розв'язати рівняння: 1) log2 x = 3; 2) ; 3) log5 x = l; 4) log3 (x – 1) = 0; 5) ; 6) . 936° Розв'язати рівняння:
[DOC File]Quiz 2
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28. log2x2 – log2(x + 3) = 2 29. log8(x +10) = 1. Use a calculator to find each logarithm. (4 decimal places) 30. log 36.2 31. log 0.00745 32. log 9.245. Use a calculator to find the value of each expression to three significant digits. 33. (3.46)6 34. 35. Use a calculator to find x to three significant digits. 36. ...
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