simplify (root3 - root7)^2
Answers
Answered by
6
Answer:
(√7+√3)(√7-√3)
= (√7)²-(√3)²
= 7 - 3
= 4
NOTE : -
a² - b² = (a+b)(a-b)
(a+b)² = a²+b²+2ab
(a-b)² = a²+b²-2ab
Answered by
9
Answer:
Step-by-step explanation:
(√3-√7)^2
Apply the formula of (a-b)^2
3-2√21+7
10-2√21
8√21
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