8
11/8
2/5
1/8
Correct answer is B
5-3log52 x 22log23
i Let -3log52 = p => log52-3 = p
∴2-3 = 5p
∴5-3log52 = 5log52-3 = 5p
ii 22log23 = q => log532 = q
∴32 = 2q
∴222log23 = 2q
= 32 = 9
i x ii = 2-3 x 9 = 1/23 x 9
= 1/8 x 9
= 9/8 = 11/8
In the diagram above, AB, CD and XY are straight lines intersecting at W. Find ∠CWX...
In the diagram, POR is a circle with center O. ∠QPR = 50°, ∠PQO = 30° and ∠...
A boy leaves station X on a bearing of 035° to station y which is 21km away. He then travels to ...
On the curve, the points at which the gradient of the curve is equal to zero are ...
A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diamete...
The straight line y = mx - 4 passes through the point(-4,16). Calculate the gradient of the line ...