Efectuati folosind formulele:
(a+b)²=a²+2ab+b² si
(a-b)²=a²-2ab+b².
a) (x+√2)²;b) (x-√3)²;c) (x+√7)²;
d) (√5x-2)²;e) (√7x+3)²;f) (√2x-5)²;g) (3√2x+√3)²;h) (2√3x-√2)²;i) (4√5x+√3)²;j) (√10x-2√5)²;k) (5√2x+√14)²;l) (√15x-4√3)².

Răspunsul a fost dat de: USER1164
1 September 2025 matematica 5 minute
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Întrebare

Clasă: Education Materie: matematica
Efectuati folosind formulele:
(a+b)²=a²+2ab+b² si
(a-b)²=a²-2ab+b².
a) (x+√2)²;b) (x-√3)²;c) (x+√7)²;
d) (√5x-2)²;e) (√7x+3)²;f) (√2x-5)²;g) (3√2x+√3)²;h) (2√3x-√2)²;i) (4√5x+√3)²;j) (√10x-2√5)²;k) (5√2x+√14)²;l) (√15x-4√3)².
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