exam Maths Puzzle Numerical Ability

Determine the remainder R after each of the following divisions.

(x^8 - x^5 - x^3 + 1) divided by (x + square root of -1).

R = P(-i) = (-i)^8 - (-i)^3 + 1 = i^8 + i^5 + i^3

Read Solution (Total 0)

exam Other Question
Please help solve the inequality and graph solution on a number line

X-9<3(x+1) Please check for me.

I have factored 3a^2(a-b)-6a(a-b)+21(a-b)

I got 3(a-b)(a^2-2a+7).

Thanks