Find the value of
(6+√3) (6-√3)
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Answered by
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Given :-
• An equation _ (6+√3) (6-√3)
To Find :-
• Value of the given equation
Solution :-
Given equation is
(6+√3) (6-√3)
Formula to be used :-
a² - b² = (a+b) (a-b)
Where,
a = 6
b =√3
(6+√3) (6-√3)
= (6)² - ( √3)²
= 36 - 3
= 33
Therefore, the value of given equation is = 33
Some identities :-
1. (a + b)² = a² + 2ab + b²
2. (a – b)² = a² – 2ab + b²
3. (x + a)(x + b) = x² + (a + b)x + ab
4. (a + b + c)² = a² + b² + c² + 2ab + 2bc + 2ca
5. a³ – b³ = (a – b)(a² + ab + b²)
6. (a + b)³ = a³ + 3a²b + 3ab² + b³
7. (a – b)³ = a³ – 3a²b + 3ab² – b³
8.a³ + b³ = (a + b)(a² – ab + b²)
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