la. Express 2.r – 1 (2r – 3)(1 – 1) in partial fraction form lb Given a 3 x 3 matrix in terms of a scalar e and that det(A) = 8 , find the value(s) of c if 2 -1 3 A = 4 C-2 3 c+7 le Given that 2 log2(r + 15) – logą r = 6 (a) Show that 1² – 34r + 225 = 0 (b) Hence or otherwise, solve the equation 2 log2 (r + 15) – log, r 6. %3D

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 28RE
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Please solve question 1 different and question 2 different

la. Express
2.r – 1
(2r – 3)(r – 1)
in partial fraction form
lb Given a 3 x 3 matrix in terms of a scalar e and that det(A) = 8 , find the value(s) of c if
2
-1
3
A =
4
3
c+7
C-2
le Given that
2 loga(r + 15) – log, r = 6
(a) Show that
1² – 34r + 225 = 0
(b) Hence or otherwise, solve the equation
2 log, (r+ 15) – log, r
6.
%3D
Transcribed Image Text:la. Express 2.r – 1 (2r – 3)(r – 1) in partial fraction form lb Given a 3 x 3 matrix in terms of a scalar e and that det(A) = 8 , find the value(s) of c if 2 -1 3 A = 4 3 c+7 C-2 le Given that 2 loga(r + 15) – log, r = 6 (a) Show that 1² – 34r + 225 = 0 (b) Hence or otherwise, solve the equation 2 log, (r+ 15) – log, r 6. %3D
2a Let
1 2
-k
k - 41
4 k -2
B =
4
-1
-2
00-
0 k-8
i Express AB in the simplest form
ii Find the inverse of A in terms of k, stating the condition under which A- exist
iii Given that X = y and C =
46 , k=5 use the inverse of A to solve the equatio
5.
2b Given that a and b are positive, solve the simultaneous equation
a = 36
log, a + log, b
= 2
2e P(z) = r*+r? + ar +b. If P(x) is divided by (r- 2), the remainder is –7 and If P(x) is
(r + 1), the remainder is 32. Find the value of a and b
3a A transformation is defined by the 2 x 2 matrix
-a
b-
A =
a
where a and b are scalars. If n is an odd integer, prove that
A"
%3D
Transcribed Image Text:2a Let 1 2 -k k - 41 4 k -2 B = 4 -1 -2 00- 0 k-8 i Express AB in the simplest form ii Find the inverse of A in terms of k, stating the condition under which A- exist iii Given that X = y and C = 46 , k=5 use the inverse of A to solve the equatio 5. 2b Given that a and b are positive, solve the simultaneous equation a = 36 log, a + log, b = 2 2e P(z) = r*+r? + ar +b. If P(x) is divided by (r- 2), the remainder is –7 and If P(x) is (r + 1), the remainder is 32. Find the value of a and b 3a A transformation is defined by the 2 x 2 matrix -a b- A = a where a and b are scalars. If n is an odd integer, prove that A" %3D
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