Given that p=1+√2 and q=1−√2,...
Given that p=1+√2 and q=1−√2, evaluate p2−q22pq.
2(2+√2)
-2(2+√2)
2√2
-2√2
Correct answer is D
p2−q22pq=(p+q)(p−q)2pq
= (1+√2−(1−√2))(1+√2+1−√2)2(1+√2)(1−√2)
= (2√2)(2)−2
= −2√2
In a soccer competition in one season, a club had scored the following goals: 2, 0, 3, 3, 2, 1, 4, 0...
M varies jointly as the square of n and square root of q. If M = 24 when n = 2 and q = 4, find M whe...
An open rectangular box is made of wood 2cm thick. If the internal dimensions of the box are 50cm lo...
Simplify [1÷(x2+3x+2)]+[1÷(x2+5x+6)]...
In the diagram, ∠POQ = 150 and the radius of the circle PSQR is 4.2cm. [take π...
The angle of a sector of a circle of diameter 8cm is 135°. Find the area of the sector [Take \(\...
The pie chart represents fruits on display in a grocery shop. If there are 60 oranges on display, ho...
MN is tangent to the given circle at M, MR and MQ are two chords. IF QNM is 60o and MNQ is 40o. Find...
A committee of six is to be formed by a state governor from nine state commissioners and three membe...
Factorize 5y2 + 2y - 3a2...
Puzzles Questions and Answers
Abstract Reasoning Questions and Answers
Numerical Reasoning Questions and Answers
Situational Judgement Questions and Answers
Microsoft Office Questions and Answers
Spatial Reasoning Questions and Answers
Data Interpretation Questions and Answers
Personality Test
Quantitative Reasoning Questions and Answers
Typing Speed and Accuracy Test
Verbal Reasoning Questions and Answers
Nigeria General Knowledge Questions and Answers
Logical Reasoning Questions and Answers
See all →