Given that A and B are sets such that n(A) = 8, n(B)=12 a...
Given that A and B are sets such that n(A) = 8, n(B)=12 and n(AnB) =3, find n(AuB).
15
17
20
23
Correct answer is B
n(AuB) = n(A) + n(B) - n(AnB)
n(AuB) = 8 + 12 - 3
= 17
If the hypotenuse of a right-angled isosceles triangle is 2cm. What is the area of the triangle...
Factorize (4a + 3)2 - (3a - 2)2...
Express, correct to three significant figures, 0.003597. ...
Find the equation whose roots are -2/3 and -1/4 ...
Twice a number, x, is added to 5, the result is at least 11. What is the range of values of x? ...
From the venn diagram above, the complement of the set P∩Q is given by...
In the diagram, PQRS is a parallelogram and ∠QRT = 30o. Find x...