for what calue of k will the equation (k+4)x²+(k+1)x+1=0 have real and equal roots
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Answered by
0
Here this is the value of k.
=> k=1+4i
or k=1-4i
where i(iorta)=√-1
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Answered by
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Answer:
Step-by-step explanation:
b=k+1
a=k+4
c=1
b^2-4ac=0 to be real and equal
(k+1)^2-4(k+4)=0
k^2+1+2k-4k-4=0
k^2-2k-3=0
k^2-3k+k-3=0
k(k-3)+1(k-3)=0
k=3,-1
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