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anomm anomm
  • 18-07-2016
  • Mathematics
Answered

what are the zeros of the equation X2 - 12x + 11 equals 0

Ax=1 or x=11
Bx=5 or x=6
Cx=3 or x=8
Dx=2 or x=10

Verified Answer :

saisravanisure
saisravanisure saisravanisure
  • 18-07-2016

The answer is a. x=1 or x=11. Hope this helped.

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dalendrk
dalendrk dalendrk
  • 18-07-2016

\(x^2-12x+11=0\\x^2-x-11x+11=0\\x(x-1)-11(x-1)=0\\(x-1)(x-11)=0\iff x-1=0\ or\ x-11=0\\\\\boxed{x=1\ or\ x=11}\to\fbox{a.}\)

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