1,695
edits
Changes
Jump to navigation
Jump to search
Line 10:
Line 10: − +
no edit summary
:<math>\sqrt{9} = 3</math>
:<math>\sqrt{9} = 3</math>
When both square roots are to be considered, in mathematics the convention is to use a sign, pronounced "plus or minus" to signify them:{{fact}}
When both square roots are to be considered, in mathematics the convention is to use a sign, pronounced "plus or minus" to signify them:
:<math>\pm \sqrt{9} = \pm 3</math>
:<math>\pm \sqrt{9} = \pm 3</math>