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Maths Puzzle
Numerical Ability
find the value of -
(i+3^.5)^100 + (i-3^.5))^100 + 2)^100
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book Other Question
What is the sum of (2n+1)squared using 0<n<infinity?
Let Pn[X] be the vector space of all polynomials of degree <=n, prove that the set (1,x,x(x-1),x(x-1)(x-2),...,x(x-1)(x-2)***(x-n+1)) is a basis for this vector space.
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