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annevoinot
@annevoinot
June 2021
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Bonjours
Développer et réduire (2n) au carré et (2n+1)au carré
Merci d'avance
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charlotte49
Bonjour ,
Développer et réduire :
(2n)²= 4n²
(2n+1)²= 4n² + 2*2n*1 +1
=4n² +4n +1
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nonotata
2n) au carré
2n² = 2n x2n = 4n²
et (2n+1)au carré
(2n+1)²
(2n+1)(2n+1)
4n²+2n+2n+1
4n²+4n+1
0 votes
Thanks 0
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Développer et réduire :
(2n)²= 4n²
(2n+1)²= 4n² + 2*2n*1 +1
=4n² +4n +1
2n² = 2n x2n = 4n²
et (2n+1)au carré
(2n+1)²
(2n+1)(2n+1)
4n²+2n+2n+1
4n²+4n+1