plzzz answer this question plzzz
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Hi friend,
Given number = 3-√7
Conjugate of 3-√7 = 3+√7
Product of 3-√7 and it's conjugate is:-
= (3-√7)(3+√7)
[(a-b) (a+b) = a²-b²]
= (3²-√7²)
= (9-7)
= 2
Hope it helps....
Given number = 3-√7
Conjugate of 3-√7 = 3+√7
Product of 3-√7 and it's conjugate is:-
= (3-√7)(3+√7)
[(a-b) (a+b) = a²-b²]
= (3²-√7²)
= (9-7)
= 2
Hope it helps....
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