Find the value of k for which the equation kx^2 + 2x + 1 =0 has real and equal roots
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Hey there!!
we have
a = k
b = 2
c = 1
As the Question given its root is real and equal
therefore,
Discriminant D = 0
=> b^2 -4ac = 0
=>( 2)^2 - 4k 1 = 0
=> 4 - 4k = 0
=> k = -4/-4
=> k = 1
Hope this helps u !!
we have
a = k
b = 2
c = 1
As the Question given its root is real and equal
therefore,
Discriminant D = 0
=> b^2 -4ac = 0
=>( 2)^2 - 4k 1 = 0
=> 4 - 4k = 0
=> k = -4/-4
=> k = 1
Hope this helps u !!
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