Question

for what value of k the equation kx square - 5 x + k is equal to zero has real roots and equal roots​

Answer 1

Answer:

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Step-by-step explanation:

If equation has real and equal roots

Discriminant, D=

b²-4ac=0

From equations given,

25-4×k×k=0

4k²=25

k²=25/4

k=±5/2

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Answer 2

Answer:

k = ±5/2

Step-by-step explanation:

for a polynomial to have real and equal roots, b²-4ac = 0

=> (-5)²-4(k.k) = 0

=> 25-4k² = 0

=> 4k² = 25

=> k² = 25/4

=> k = ±5/2