9
15
27
33
Correct answer is A
a = u2 - 3y2 = (1)2 - 3(-1) = -2
b = 2uu + v2 + v2
= 2(1)(-1) + (-1)2 = -1
∴ 2(2a - b)(a - b∴) = [2(-2) - 1](-2 - (-1)2)
= -3 - 3
= 9
The angle of a sector of a circle radius 10.5 cm is 48o. Calculate the perimeter of the sector....
Given m = N√SLT make T the subject of the formula...
Find the area and perimeter of a square whose length of diagonals is 20√2 cm...
How many students scored at least 25% ...
Factorize completely x2+2xy+y2+3x+3y−18. ...
Which of the following equations represents the graph? ...
If -2 is the solution of the equation 2x + 1 - 3c = 2c + 3x - 7, find the value of c. ...
Two fair dice are rolled. What is the probability that both show up the same number of points....