(3-√7) + ( 3+√7)
please tell me the answer
with explaination
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Answers
Answered by
3
Answer:
2
Step-by-step explanation:
(3-√7) (3+√7) [using identity, (a-b) (a+b) = a² - b²]
= 3² - (√7)²
= 9 - 7
= 2
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