(root 11 minus root 7) (root 11 + root 7)
Answers
Answered by
8
Answer:
(√11-√7)(√11+√7)
(a+b)(a-b)= a^-b^
=(√11)^-(√7)^
=11-7
=4
Answered by
3
Answer:
=(√11 - √7)(√11 + √7)
Using identity a² - b² = (a-b)(a+B)
=(√11)² -(√7)²
=11-7
=4
Hope it helps you...!!!
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