-12, 92
-6, 9
6, 9
12, 92
Correct answer is A
12(3y - 4x)2 = (8x2 + kxy + Ly2)
12(9y2 - 24xy + 16x2) = 8x2 + kxy + Ly2
92y2 - 12xy) = kxy + Ly2
k = -12 ∴ L = 92
Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77...
The positions of two countries P and Q are (15°N, 12°E) and (65°N, 12°E) respectively. What is t...
Make p the subject of the relation: q = 3pr+s2...
If 31410 - 2567 = 340x, find x. ...
What is the value of x when y = 5? y = 12 x + 1...
If a = 2x1−x and b = 1+x1−x, then a2 - b2 in the simplest form is...
If x + y = 90 simplify (sinx+siny)2−2sinxsiny...
Simplify 1−x2x−x2, where x ≠ 0...
A school girl spends 14 of her pocket money on books and 13 on dress. What...