Question

Simplify (√3 - √7) (√3 + √7)

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Since,

$(a + b)(a - b) = {a}^{2} - {b}^{2}$

Hence ,

(√3 - √7) (√3 + √7) =

${( \sqrt{3)} }^{2} - {( \sqrt{7}) }^{2}$

= 3 -7

= -4

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