p p
SOLUTION MANUAL
p
, Chapter 1 p
Solved Problems
p
Problemp1
Scriptpfile:
clear,p clcpdisp('Pa
rtp (a)')
(22+5.1^2)/(50-6.3^2)
disp('Partp (b)')p44
/7+8^2/5-99/3.9^2
CommandpWindow:
Partp (a)pa
nsp =
4.6566
Partp (b)pa
nsp =
12.5768
Problemp2
Scriptpfile:
clear,p clcpdisp('Pa
rtp (a)')
sqrt(41^2-5.2^2)/(exp(5)-
100.53)pdisp('Partp (b)')
%alternative:p nthroot(132,3)+log(500)/8p1
32^(1/3)+log(500)/8
CommandpWindow:
Partp (a)pa
nsp =
0.8493
Partp (b)pa
nsp =
5.8685
,Problemp3
Scriptpfile:
clear,p clcpdisp('Pa
rtp (a)')
(14.8^3-6.3^2)/(sqrt(13)+5)^2
disp('Partp (b)')
45*(288/9.3-4.6^2)-1065*exp(-1.5)
CommandpWindow:
Partp (a)pa
nsp =
43.2392
Partp (b)pa
nsp =
203.7148
Problemp4
Scriptpfile:
clear,p clcpdisp('Pa
rtp (a)')
(24.5+64/3.5^2+8.3*12.5^3)/(sqrt(76.4)-28/15)
disp('Partp (b)')
(5.9^2-2.4^2)/3+(log10(12890)/exp(0.3))^2
CommandpWindow:
Partp (a)pa
nsp =
2.3626e+03
Partp (b)pa
nsp =
18.9551
Problemp5
Scriptpfile:
clear,p clcpdisp('Pa
rtp (a)')
%alternative:
sin(15*pi/180)p insteadp ofp sind(15)p
cos(7*pi/9)+tan(7*pi/15)*sind(15)
disp('Partp (b)')
%alternatives: couldp usep nthroot(0.18,3),p couldp convertp top radians
%andp usep regularp trigp functions
sind(80)^2-(cosd(14)*sind(80))^2/(0.18)^(1/3)
, CommandpWindow:
Partp (a)pa
nsp =
1.6965
Partp (b)pa
nsp =
-0.6473
Problemp6
Scriptpfile:
clear,p clc
px=6.7;
disp('Partp (a)')
0.01*x^5-
1.4*x^3+80*x+16.7pdisp('Pa
rtp (b)')psqrt(x^3+exp(x)-
51/x)
CommandpWindow:
ansp =
266.6443
Partp (b)pa
nsp =
33.2499
Problemp7
Scriptpfile:
clear,p clc
pt=3.2;
disp('Partp (a)')
p56*t-
9.81*t^2/2pdisp(
'Partp (b)')
14*exp(-0.1*t)*sin(2*pi*t)
CommandpWindow:
Partp (a)pa
nsp =
128.9728
Partp (b)pa
nsp =
9.6685