Question

If and b are the roots of x^2-7x +12 then the equation whose roots are 3a and 3b

Answer 1

Answer:

Step-by-step explanation:x^2-7x+12

x={7±√(49-48)}/2

x=4,3 are the roots

a=4,b=3

3a+3b=12+9=21

3a.3b=12.9=108

x^2-Sx+P=0

x^2-21x+108=0