Question

if x²+2√2x-k=0 are roots√2. find value of k.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

k = 6

Step-by-step explanation:

replace x in the quadratic equation by root 2

$( \sqrt{2 {} } ) ^{2} + 2 \sqrt{2} \times \sqrt{2} - k \: = 0$