Question

If A and B are roots of quadratic equation x² - 12x + 27 = 0 then A³ + B³ is

Answer 1

Answer:

90 is the answer

Step-by-step explanation:

x2-12x+27=0

x2-9x-3x+27=0

roots are

a=9

b=3

A2+b2=9x9+3x3

81+9

90