Question

Tolong no : 8.... pakai jalannya

Answer 1

U = (-p², 3, -1)
v = (p, p, - 5)

u v= -p²(p) + 3(p)  -1(-5) 
u v = -p³ + 3p + 5
dengan -2 < p < 1
P= {-1, 0}
p = -1 --> u v = 1 - 3 +5 = 3
p = 0  --> u v = -0 + 0 + 5 = 5
nilai maksimum =  5