exam Maths Puzzle Numerical Ability

Use the rational roots theorem to solve:
p(x)=x^4-5x^3+5x^2+5x-6

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exam Other Question

Provide the reasons for the proof.
Given: m angle 1 = m angle 2
Prove: (line over)AC(up-side down T)(line over)BD
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Statements:
a. m A helicopter travels from the base station S on a true bearing of 063 degrees for 143 km for an emergency rescue. It then travels 157 km in a true bearing of 153 degrees to an eme