Doprowadź do najprostrzej postaci:
(√3 + 2√2)(3√2 - 4√3)
(√7 - 5√3)(2√7 + √3)
Oblicz:
(2√5 - 3√2)²
(√3+2√2)(3√2-4√3)=3√6-12+6√4-8√6=-5√6-12-12=-5√6-24
(√7-5√3)(2√7+√3)=14+√21-10√21-15=-1-9√21
(2√5-3√2)²=20-12√10+18=38-12√10
3)
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(√3+2√2)(3√2-4√3)=3√6-12+6√4-8√6=-5√6-12-12=-5√6-24
(√7-5√3)(2√7+√3)=14+√21-10√21-15=-1-9√21
(2√5-3√2)²=20-12√10+18=38-12√10
3)