exam Maths Puzzle Numerical Ability

Find the dot product v dot w if v = i + j and w = -i + j.

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exam Other Question

Differentiate with respect to θ
f(θ) = sin(5θ - 2) how do you find f(x)=ax+b in which f(2)=1 and f(-3(=11?
from mathematics for the international student:Mathematics SL-section 1c