Question

find the value of k if the equation has equal roots kx² + 12x + 1
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Answer 1

Answer:

36

Step-by-step explanation:

see for the following statement to be a perfect square

2.sqrt(k).1=12

sqrt(k) =6

k=36

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another thing to note perfect square expressions have equal roots only.....

Answer 2

Answer:

Step-by-step explanation:

ATQ,

b^2-4ac=0

12^2-4(k)(1)=0

144-4k=0

-4k=-144

4k=144

k=144/4

k=38