Chapter 4.2, Problem 3CE

To determine

To write a BASIC program to add two polynomials.

Explanation of Solution

Given:

The given polynomials are $4x+9x^2$ and $5x^3$

Calculation:

The following is the required BASIC Program-

10 INPUT “Enter the degree of first polynomial”: $d_1$

20 INPUT “Enter the degree of second polynomial”: $d_2$

30 INPUT “Enter the coefficients of first polynomial from least to highest degree”

40 FOR $i=0$ to $d_1$

50  READ $A_1[i]$

60 NEXT $i$

70 INPUT “Enter the coefficients of second polynomial from least to highest degree”

80 FOR $i=0$ to $d_2$

90  READ $A_2[i]$

100 NEXT $i$

110 FOR $i=0$ to $\max (d_1,d_2)$

120 SUM $=A_1[i]+A_2[i]$

130 PRINT SUM

140 NEXT $i$

150 END

DRY RUN of the program:-

INPUT:

Enter the degree of first polynomial

  $d_1=2$

Enter the degree of second polynomial

  $d_2=3$

Enter the coefficients of first polynomial from least to highest degree

  $0,4,9$

Enter the coefficients of second polynomial from least to highest degree

  $0,0,0,5$

OUTPUT:

  $0,4,9,5$

Hence the sum of polynomial is $4x+9x^2+5x^3$