the value of (√11+√7) (√11-√7) is
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Answered by
0
Answer:
using the method of ( a+b)2
Answered by
2
Answer:
4
Step-by-step explanation:
(√11+√7) (√11-√7)
=(√11)²-(√7)² {(a+b)(a-b)=a²-b²}
=11-7
=4
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