Naimedagli393rans
Answered

. x - y = 10 ve x + y = 7 olduğuna göre, x2 - y2 ifadesinin değeri kaçtır? A) 50 B) 60 (9) C 70 D) 80​

Sagot :

Beyzammmmmmnurrans

Cevap:

Adım adım açıklama:

x-y=10

x+y=7

x2-y2 açılımı= (x-y).(x+y)

                            10x7    =70 olur cevap

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