Question

If r +s +t= 3 ,r^2+s^2+t^2=1 and r^3+s^3+t^3=3.Then compute rst

Answer 1

Answer:

Step-by-step explanation:

(r+s+t)^2=1+2(rs+st+tr)

8=2(rs+st+tr)

rs+st+tr=4

r^3+s^3+t^3 - 3srt =(3)(1-4)

3- 3srt=-9

srt=4