Solve Q24, 25 & 26 showing clearly all steps 18) If In x – In8 +21n4= 0 then x =A. 0В. 1E.0.5 D. 219) Given that log,5 + log2(x - 3) + 3, x = ', &A. 618B.1711C D.- -535$20) The values of x for which log,x – 2logx = 1 is (are): *A. B. 3. 9 C 9 D.99 D. 93321) If log, y = 3 and log, 9y = 5 thenA. x= 3, y = 27C.x = 3, y = – 27%3DB. x = -3, y = -27%3DD. x = -3, y = 27%3D22) Given that log x?y3 = a and log (-) = b, then log x =a+2bA.3a+bD.a+3b2a+bВ.523) if log10 2 = a then log35 =1-aD.3a1-a3--3aВ.1-aС.2aA.a24) Given that iog,6= m and log,5 = n the value of log: 10 is :A. m(n+ 1)- 1 B. m(n- 1) + C. m(n + 1) +1 D. m(n- 1)- !25) if: 4 log10 x - log16 y = log10 13, thenA. 4x = 13y26) if in x +2 = 2iny then xDB. 4* = 13yC. x*y = 13D. x* = 13yA.D.B.C.27)en 2xA. 4xB. 2x?C. 4x-D. n? 2x28} The values of x which satisfy the equation 3%x - 10(3**1) + 34 = 0 isA.x = 2 or x = 3B. x = 3or x = - 1C.x = 1 or x = --3 D.x = 1orx = 3

hi, i am solving question 25 for other question please repost.

Math

Calculus

25) if: 4 log10 x - iog16 y = log10 13, then B. 4 = 13y A. 4x = 13y C. x*y = 13 D. x* = 13y

25) if: 4 log10 x - iog16 y = log10 13, then B. 4 = 13y A. 4x = 13y C. xy = 13 D. x = 13y

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.6: Exponential And Logarithmic Equations

Problem 64E

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

Solve Q24, 25 & 26 showing clearly all steps

18) If In x – In8 +21n4
= 0 then x =
A. 0
В. 1
E.0.5 D. 2
19) Given that log,5 + log2(x - 3) + 3, x = ', &
A. 6
18
B.
17
11
C D.
- -
5
3
5
$20) The values of x for which log,x – 2logx = 1 is (are): *
A. B. 3. 9 C 9 D.9
9 D. 9
3
3
21) If log, y = 3 and log, 9y = 5 then
A. x= 3, y = 27
C.x = 3, y = – 27
%3D
B. x = -3, y = -27
%3D
D. x = -3, y = 27
%3D
22) Given that log x?y3 = a and log (-) = b, then log x =
a+2b
A.
3a+b
D.
a+3b
2a+b
В.
5
23) if log10 2 = a then log35 =
1-a
D.
3a
1-a
3--3a
В.
1-a
С.
2a
A.
a
24) Given that iog,6= m and log,5 = n the value of log: 10 is :
A. m(n+ 1)- 1 B. m(n- 1) + C. m(n + 1) +1 D. m(n- 1)- !
25) if: 4 log10 x - log16 y = log10 13, then
A. 4x = 13y
26) if in x +2 = 2iny then xD
B. 4* = 13y
C. x*y = 13
D. x* = 13y
A.
D.
B.
C.
27)en 2x
A. 4x
B. 2x?
C. 4x-
D. n? 2x
28} The values of x which satisfy the equation 3%x - 10(3**1) + 34 = 0 is
A.x = 2 or x = 3
B. x = 3or x = - 1
C.x = 1 or x = --3 D.x = 1orx = 3

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