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1 Pure Mathematics

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Question 461
a.

Solve the equation x2−9x+8=0x^2-9x+8=0x2−9x+8=0.

[2]
b.

Hence solve the equation y3−9y32+8=0\displaystyle y^3-9y^{\frac32}+8=0y3−9y23​+8=0.

[2]
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