Doganvildan08rans
Answered

5. Aşağıda verilen özdeşliklerden hangisi doğrudur?
A) (x + 3).(x+3) = x2 - 6x + 9
B) (x - 5).(x - 5) = x2 - 10x + 25
C) (x-9).(x-9) = x2-81
D) (x + 2).(x + 2) = x2 + 2x + 4​

Sagot :

Şeymarans

(x+3)² = x²+6x+9

(x-5)² = x²-10+25

(x-9)² = x²-18+81

(x+2)² = x²+4x+4

Cevap: B

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