for what value of k the equation x2 - 8x + 1 is equal to zero has real roots
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2
Answer:
The quadratic will have real root only when its discriminant will be greater than or equal to 0
Discriminant of given equation =b
2
−4ac =(−8)
2
−4×1×k>0
⇒64−4k>0
⇒4k<64
⇒k<16
So, the value of k should be less than 16.
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n wordt
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