Tolong dong nomor 22, sama cara ngerjaannya yah
X²-2x-5
p+q = -b/a = -(-2)/1=2
p.q = c/a= -5/1=-5
Akar2 baru
(p+1)+(q+1)= p+q+2 = 2+2=4
(p+1).(q+1) = pq + p+q + 1 = -5 + 2 +1 = -2
pers.baru
x²- 4x -2 = 0
Tolong dong nomor 22, sama cara ngerjaannya yah
X²-2x-5
p+q = -b/a = -(-2)/1=2
p.q = c/a= -5/1=-5
Akar2 baru
(p+1)+(q+1)= p+q+2 = 2+2=4
(p+1).(q+1) = pq + p+q + 1 = -5 + 2 +1 = -2
pers.baru
x²- 4x -2 = 0