Mathematics

need help!  multiply. (√6-√7)(√6+√7)= __ simplify answer type exact answer, using radicals as needed.


Answers

Banaszek168

4 years ago Comment

Best answer

[latex]( \sqrt{6}+ \sqrt{7} )( \sqrt{6} -\sqrt{7} ) \\ = \sqrt{6}^2- \sqrt{7}^2 \\ =6-7 \\ =-1 [/latex]

BettieZumbrunnen

4 years ago Comment

(√6 - √7) (√6 + √7) = 6 - 7 = -1