MathLover1 Joined Jun 27, 2021 Messages 2,989 Reaction score 2,884 May 2, 2022 #2 x^2+11=0 x^2=-11 roots: sqrt(-11)=i*sqrt(11) or - sqrt(-11)=-i*sqrt(11) factors will be: (x- i*sqrt(11)) and x-(-i*sqrt(11))=(x+ i*sqrt(11)) answer is B: (x+ i*sqrt(11))(x- i*sqrt(11))
x^2+11=0 x^2=-11 roots: sqrt(-11)=i*sqrt(11) or - sqrt(-11)=-i*sqrt(11) factors will be: (x- i*sqrt(11)) and x-(-i*sqrt(11))=(x+ i*sqrt(11)) answer is B: (x+ i*sqrt(11))(x- i*sqrt(11))
nycmathguy Joined Jun 27, 2021 Messages 5,386 Reaction score 422 May 18, 2022 #3 MathLover1 said: x^2+11=0 x^2=-11 roots: sqrt(-11)=i*sqrt(11) or - sqrt(-11)=-i*sqrt(11) factors will be: (x- i*sqrt(11)) and x-(-i*sqrt(11))=(x+ i*sqrt(11)) answer is B: (x+ i*sqrt(11))(x- i*sqrt(11)) Click to expand... People today never cease to amaze me. This guy posted two threads which you answered. I have not seen his THANK YOU for your help.
MathLover1 said: x^2+11=0 x^2=-11 roots: sqrt(-11)=i*sqrt(11) or - sqrt(-11)=-i*sqrt(11) factors will be: (x- i*sqrt(11)) and x-(-i*sqrt(11))=(x+ i*sqrt(11)) answer is B: (x+ i*sqrt(11))(x- i*sqrt(11)) Click to expand... People today never cease to amaze me. This guy posted two threads which you answered. I have not seen his THANK YOU for your help.
nycmathguy Joined Jun 27, 2021 Messages 5,386 Reaction score 422 May 18, 2022 #4 SureHeIS said: View attachment 2918 Click to expand... Did you forget, AGAIN, to say THANK YOU to MathLover1 for answering YOUR thread?
SureHeIS said: View attachment 2918 Click to expand... Did you forget, AGAIN, to say THANK YOU to MathLover1 for answering YOUR thread?