the value of (7+√7) (7-√7)
Answers
Answered by
2
Answer:
49-7
Step-by-step explanation:
= 42
this is the answer use property (a+b)(a-b)= a^2-b^2
Answered by
1
Answer:
35
Step-by-step explanation:
We know Identity: [a+b] [a-b] = a^2 - b^2
Using that,
7^2 – √7^2
49 - 7 [√ & ^2 gets cancelled]
= 35
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