Question

Вычислить $(4sqrt{7}-sqrt{119}-4sqrt{3}+sqrt{51})(4sqrt{7}+sqrt{119}+4sqrt{3}+sqrt{51})$

Answer 1

16*7+4√833+16√21+4√357-4√833-119-4√357-√6069-16√21-4√357-16√9-4√357+4√357+4√357+√6069+4√357+51=16*7-119-16*3+51=112-119-48+51=-4

Answer 2

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