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secondary 3 | A Maths
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mouse
Mouse

secondary 3 chevron_right A Maths chevron_right Singapore

help with b pls

Date Posted: 3 years ago
Views: 202
J
J
3 years ago
For 8a), you need to reject x = -1 as that would make the terms in the square roots of the initial equation negative.

i.e you will get √-2 = √-2

This would mean the square root is a complex number and not a real number.

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Izmeme
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Kumaraguru Sanmugam
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hi hope this helps pls upvote