annazielinska579 annazielinska579

12-12-2019
Mathematics

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the task is in the attachment, thank you

the task is in the attachment thank you class=

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akiran007 akiran007

12-12-2019

Answer:

m=0

Step-by-step explanation:

mx²+2x-1=0

if x=1/2 then

m(1/2)² +2(1/2)-1=0

m/4+1-1=0

m/4=0

m=0

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