Question

what are the zeroes of y²-1 ?
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Answer 1

(p) x=y^2-1

0=y^2-1

0+1=y^2

1=y^2

√1=√1

That's why y=1

hope it helps you

Answer 2

Answer:

${HeLLo!♡}$

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Zeros of

$y { }^{2} - 1 = 0 \\ y { }^{2} = 1 \\ y = \sqrt{1}$

hope this answer helps you