the value of (√11+√7)(√11-√7)is
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We know the formula that (a+b)(a-b) = a²-b²
So, putting a=√11 and b =√7, we get:
(√11+√7)(√11-√7)
= (√11)²-(√7)²
= 11-7
= 4
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HOPE IT HELPS. IF IT DOES, MARK IT BRAINLIEST!
So, putting a=√11 and b =√7, we get:
(√11+√7)(√11-√7)
= (√11)²-(√7)²
= 11-7
= 4
Ans.
HOPE IT HELPS. IF IT DOES, MARK IT BRAINLIEST!
prince25525582:
we known that
(a+b)2
No, in this question we are gonna apply a²-b².
If the question was (a+b)(a+b), then (a+b)² is applicable.
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