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{x}^(2) = (121)/(196)

User Antu
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x^2=(121)/(196)\iff x=\pm\sqrt{(121)/(196)}\\\\x=-(√(121))/(√(196))\ \vee\ x=(√(121))/(√(196))\\\\\boxed{x=-(11)/(14)\ \vee\ x=(11)/(14)}\\\\√(a)=b\iff b^2=a\\\\√(121)=11\ \text{because}\ 11^2=121\\\\√(196)=14\ \text{because}\ 14^2=196

User Obsidian
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