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secondary 3 | A Maths
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Peter Polo
Peter Polo

secondary 3 chevron_right A Maths

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Date Posted: 7 years ago
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Foo Pang Min
Foo Pang Min's answer
2 answers (Tutor Details)
1st
Take out square root of 3 so that a whole number can be computed within the bracket as 81. Since 81 is 3 to the power of 4 and square root of 3 is 3 to the power of 1/2, then k will be equal to 9/2 or 4.5.