Jawaban:
a= (√7+√2)
b=(√7-√2)
(a-b)(a+b)
(√7+√2-(√7-√2)(√7+√2+(√7-√2)
(√7+√2-√7+√2)(√7+√2+√7-√2)
(2√2)(2√7)
4√14
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Jawaban:
a= (√7+√2)
b=(√7-√2)
(a-b)(a+b)
(√7+√2-(√7-√2)(√7+√2+(√7-√2)
(√7+√2-√7+√2)(√7+√2+√7-√2)
(2√2)(2√7)
4√14
semoga membantu