Question

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Answer 1

Question :

• Simplify (√7 - √3)²

Answer :

• 10-2√21

Explanation :

Here, given expression is in the form of (a-b)².

We know that, (a-b)² = a² + b² - 2ab

Therefore,

(√7 - √3)²

=> (√7)² + (√3)² - 2×√7×√3

=> 7 + 3 -2√21

=> 10-2√21

Answer 2

Step-by-step explanation:

(√7-√3)²

=√7²+√3²-2(√7)(√3)

=7+3=2√21

=10-2√21

=2(5-√21)

Hope it's helpful ✌