Question

A) (√11 + √7) (√7-√11)=

Answer 1

-4
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Answer 2

To simplify the expression (√11 + √7) (√7 - √11), you can use the difference of squares formula, which states that (a + b)(a - b) = a^2 - b^2. In this case, let a = √7 and b = √11:

(√7 + √11)(√7 - √11) = (√7)^2 - (√11)^2 = 7 - 11 = -4

So, the simplified result of the expression is -4.