Question

e) Ifs=t²+t then find the values of t for which s = 2.
ans-1,-2.​

Answer 1

Answer:

2=t²+t

t²+t-2=0

t²+2t-t-2=0

t(t+2)-(t+2)=0

(t+2)(t-1)=0

t1=-2

t2=1