• Book	Linear Algebra
  Author	Gilbert Strang
  Edition

code_begins

a=var('a')
b=var('b')
c=var('c')
d=var('d')
A=matrix([[a,a,a,a],[b,b,b,b],[c,c,c,c],[d,d,d,d]])
print det(A)
I=matrix([[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]])
print det(I+A)

code_ends

• Solution by:

  • Swethakumari G, student,SNIST
  • Radha Bhukya, student, SNIST
  • Usha Rani,student, SNIST