Предмет: Математика, автор: babay0025babay

b^2-4b+3 найдите значение выражения при b=-1/5

Ответы

Автор ответа: Wiseman7

0

(-1/5)^2 - 4*(-1/5) +3= 1/5*1/5 +4/5 +3 = 1/25 +20/25 + 3 = 3 21/25

Автор ответа: mmb1

0

b^2-4b+3 найдите значение выражения при b=-1/5=(b-3)(b-1)=(-1/5-3)(-1-1/5)=-16/5*-6/5=96/25

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