Oblicz:
9³ * 3⅔ / √27
oraz:
(√2-√3)²-(2√3+√2)²
proszę tak po koleji i zrozumiale ;)
--> 9³ * 3⅔ / √27= 729* 11/3 : √27=243 * 11 : √27= 2673 : √27=
--> (√2-√3)²-(2√3+√2)²= 2-2* √2*√3+3-(4*3+2*2√3*√2+2)= 5-2√6-(12+4√6+2)= 5-2√6-12-4√6-2= -9-6√6
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--> 9³ * 3⅔ / √27= 729* 11/3 : √27=243 * 11 : √27= 2673 : √27=
--> (√2-√3)²-(2√3+√2)²= 2-2* √2*√3+3-(4*3+2*2√3*√2+2)= 5-2√6-(12+4√6+2)= 5-2√6-12-4√6-2= -9-6√6