(5) 5m2 + 2m + 1 = 0
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Answer:
Step-by-step explanation:
5m2+2m+1=0
5m2+2m=0-1=(-1)
5m2+2m=5m4²=(-1)
5m4²=(-1)
5m4=(-1)×(-1)=1
5m4=1
m4=1/5=0.2
m=0.2/4
m=0.05
No,it is not prove !
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