Question

∆= b2- 4.a.c , calcule

a) a=3 , b = 1 , c = 1

Answer 1

Δ= 1² - 4 · 3 · 1
Δ= 1 - 12
Δ= -11

Answer 2

A)
b^2 - 4 * a * c
1^2 - 4 * 3 * 1
1 * 1 - 12
1 - 12
- 11

∆ = - 11