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Numerical Methods (HELP)

Page 49 in the Edexcel C3 textbook.
I'm confused with what to do for part D. My working is as follows:

X^1/2 = 2/X ...

X^3/2 = 2

P=3/2 and Q=2

The answer at the back of the book is different though, help :eek::eek:
Reply 1
Original post by Mwansy
Page 49 in the Edexcel C3 textbook.
I'm confused with what to do for part D. My working is as follows:

X^1/2 = 2/X ...

X^3/2 = 2

P=3/2 and Q=2

The answer at the back of the book is different though, help :eek::eek:


Square both sides.
Reply 2
Original post by Mwansy
Page 49 in the Edexcel C3 textbook.
I'm confused with what to do for part D. My working is as follows:

X^1/2 = 2/X ...

X^3/2 = 2

P=3/2 and Q=2

The answer at the back of the book is different though, help :eek::eek:


Square both sides?
Reply 3
Beaten to it BabyMaths :tongue:

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