Question

$is \sqrt{2} \: a \: root \: of \: equaton \: x {}^{2} + 2x - 4 = 0$​

Answer 1

Answer:

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Answer 2

Answer:

√2 is not a root of equation x² + 2x - 4 = 0.

Step-by-step explanation:

Let p(x) = x² + 2x - 4 = 0

If √2 is a root of the equation then,

p(√2) = 0

=> (√2)² + 2×√2 - 4 ≠ 0

=> 2 + 2√2 - 4 ≠ 0

=> 2√2 - 2 ≠ 0

So, √2 is not a root of equation x² + 2x - 4 = 0.

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