Question

√7 - √6) (√7 + √6) = _______ *

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Answer 1

Answer:

1

Step-by-step explanation:

We use the identity (a+b) (a-b) = a^2 - b^2

(√7 - √6) (√7 + √6) = (√7)^2 - (√6)^2

= 7 - 6

= 1

Hope this helps!

Answer 2

Answer:

This is the form of (a-b)(a+b)=a²-b²

Step-by-step explanation:

Therefore = (root 7-root 6)(root 7+root6)

=(root 7)²-(root 6)²

=7 - 6

=1

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