exam
Maths Puzzle
Numerical Ability
graph the following equations
(a) y =2x
(b) y=x + 1
(c) y=-x+3
(d) y= 2x+1
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exam Other Question
assignment is to simplify this expression: (3-i)^-2
i get as far as 1/(9-6i+i^2)
answers sheet says correct answer is (4+3i)/50
can you help me figure out how to get that answer?
Use Property 2 to simplify each of the following radical expressions
sqrt(10/49)