3a A transformation is defined by the 2 x 2 matrix -a b - a A la +b a where a and b are scalars. If n is an odd integer, prove that A" 3b 4 - 2x A В f (x) %3D (x+1)(x+3)(2.x + 1) (x+ 1) (x+3) (2x+1) find the values of A,B,C 3c The point A has coordinates (-3, 2) and the point B has coordinates (7, k). The line AB has equation Зх + 5у 3D 1 i Show thatk = -4 ii Find the coordinates of the mid-point of AB iii Find the gradient of AB

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Solve 3a, 3b and 3c respectively.

3a A transformation is defined by the 2 × 2 matrix
-a
b — а
A
a + b
a
where a and b are scalars. If n is an odd integer, prove that
A" =
bn-1 A
3b
4 – 2.x
A
В
C
f (x)
(x+1)(x + 3)(2x + 1)
+
(x+ 3)
(x +1)
(2х + 1)
find the values of A,B,C
3c The point A has coordinates (–3, 2) and the point B has coordinates (7, k). The line AB has equation
Зх + 5y — 1
i Show that k = -4
ii Find the coordinates of the mid-point of AB
iii Find the gradient of AB
Transcribed Image Text:3a A transformation is defined by the 2 × 2 matrix -a b — а A a + b a where a and b are scalars. If n is an odd integer, prove that A" = bn-1 A 3b 4 – 2.x A В C f (x) (x+1)(x + 3)(2x + 1) + (x+ 3) (x +1) (2х + 1) find the values of A,B,C 3c The point A has coordinates (–3, 2) and the point B has coordinates (7, k). The line AB has equation Зх + 5y — 1 i Show that k = -4 ii Find the coordinates of the mid-point of AB iii Find the gradient of AB
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