pouvez vous me donner le detail de mes exercices sur les puissances : Merci
a = 3²-2³+2-²
si x=5 et y=-2
M= 3 + x² + y²
N= 4 + x³ - ypuissance 5
O = (x + y)4
p = (x - y)³
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Bonsoira = 3²-2³+2-² = 9 - 8 + 0.25 = 9.25 -8 = 1.25
si x=5 et y=-2
M= 3 + x² + y²
M = 3 +25 +4 = 32
N= 4 + x³ - y ^ 5
N = 4 + 125 - 32 = 97
O = (x + y)4
O = (5 -2)^4 = 3^4 = 81
p = (x - y)³
P (5 +2)^3 = 7^3= 343