Question 1 Report
Evaluate: \( \lim_{x \to -2} \frac{x^3 + 8}{x + 2} \).
x3+8x+2
x3 + 8 = x3 + 23recall thatx3 3 + y3 3 = (x+y)(x2 2 - xy + y2 2 )x = x, y = 2x3 3 + 8 = (x+2)(x3 3 - 2(x) + 22)
x3+8x+2=(x+2)(x3−2(x)+22)x+2 - 2x + 4
x = -2(-2)2 - 2(2) + 4 = 4 - 4 + 4
= 4
Answer Details
Given that p = (8N,030º) and q = (9N, 150º), find, in component from, the unit vector along(p - q).
Two functions f and g are defined on the set of real numbers, R, by \(f:x\to x^2+2\) and \(g:x\to \frac{1}{x+2}\).Find the domain of \((g\circ f)^{-1}\)
Solve 3cos2x - sinx = 0 for 0º≤x≤360º
Solve \(2^{(2y+1)} - 5(2^y) + 2 = 0\)
The probability that Abiola will be late to the office on a given day is 2/5. In a given working week of six days, find, correct to four significant figures,...
The table shows the scores obtained by a group of artistes in Vocal (X) and the instrument (Y) musical competition. Vocal (X) 63 69 72 59 82 91 95 68 Instrum...
A body of mass of 18kg is suspended by an inextensible string from a rigid support and is pulled by a horizontal force F until the angle of inclination of th...
A binary operation * is defined on the set \(T = \{-2,-1,1,2\}\) by \(p*q = p^2 + 2pq - q^2\), where \(p,q \in T\). Copy and complete the table. * -2 -1 1 2 ...
Everything you need to excel in JAMB, WAEC & NECO