Introduction with Applications
6th Edition
Amos Gilat
, Chapter 1
Solved Problems
1. Calculate:
(a) (b)
Solution
>> % Part (a)
>> (5-19/7+2.5^3)^2
ans =
320.7937
>> % Part (b)
>> 7*3.1+sqrt(120)/5-15^(5/3)
ans =
-67.3421
2. Calculate:
(a) (b)
Solution
>> % Part (a)
>> (8+80/2.6)^(1/3)+exp(3.5)
ans =
36.5000
>> % Part (b)
>> (1/sqrt(0.75)+73/3.1^3)^(1/4)+55*0.41
ans =
23.9279
1
,2 Chapter 1: Solved Problems
3. Calculate:
(a) (b)
Solution
>> % Part (a)
>> (23+45^(1/3))/(16*0.7)+log10(589006)
ans =
8.1413
>> % Part (b)
>> (36.1-2.25*pi)*(exp(2.3)+sqrt(20))
ans =
419.3971
4. Calculate:
(a) (b)
Solution
>> % Part (a)
>> 3.8^2/(2.75-41*2.5)+(5.2+1.8^5)/sqrt(3.5)
ans =
12.7349
>> % Part (b)
>> (2.1E6-15.2E5)/(3*6E11^(1/3))
ans =
22.9222
, Chapter 1: Solved Problems 3
5. Calculate:
(a) (b)
Solution
>> % Part (a)
>> sin(0.2*pi)/cos(pi/6)+tand(72)
ans =
3.7564
>> % Part (b)
>> (tand(64)*cosd(15))^2+sind(37)^2/cosd(20)^3
ans =
4.3586
6. Define the variable z as z = 4.5, then evaluate:
(a) (b)
Solution
>> z=4.5;
>> % Part (a)
>> 0.4*z^4+3.1*z^2-162.3*z-80.7
ans =
-584.2500
>> % Part (b)
>> (z^3-23)/(z^2+17.5)^(1/3)
ans =
20.3080
7. Define the variable t as t = 3.2, then evaluate:
(a) (b)
Solution
>> t=3.2;
>> % Part (a)
>> exp(2*t)/2-3.81*t^3
ans =
176.0764