Question

solve the problem please​

Answer 1

Step-by-step explanation:

Equation :4x² - kx +1

x-1 =0

x=1

4×1² - k×1 +1 =0

4 -k +1 =0

4-k = -1

-k = -1 -5

-k= -5

k= 5

so the value of k is 5

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