Answer:
α + β = - ba and αβ = ca.
⇒ x2 + bax + ca = 0 (Since, a ≠ 0)
⇒ x2 - (α + β)x + αβ = 0, [Since, α + β = -ba and αβ = ca]
Step-by-step explanation:
pls mark brainlist
1) 26
2) 30
3) 57
4) 25
5) 40
6) 90
7) 60
8) 160
9) 9
7.2h-2
Multiply
1.8
by
4
.
7.2
h
−
2