2√3
-2 - √3
-2 + √3
2 - √3
Correct answer is D
4−12−√3=4(2−√3)−12−√3
= 8−4√3−12−√3
= 7−4√32−√3
Rationalizing,
(7−4√32−√3)(2+√32+√3)
= 14+7√3−8√3−124+2√3−2√3−3
= 2−√31=2−√3
Find the derivative of y=sin2(5x) with respect to x. ...
In the diagram, |QR| = 5cm, PQR = 60<sup>o</sup> and PSR = 45<sup>o</sup>. F...
Find the range of values of m which satisfy (m - 3)(m - 4) < 0...
A ship sails 6km from a port on a bearing 070° and then 8km on a bearing of 040°. Find the d...
If log 2 = 0.3010 and log 2y = 1.8062, find; correct to the nearest whole number, the value of ...
In the diagram, O is a circle centre of the circle PQRS and < PSR = 86o. If < PQR = xo, find x...
Find the sum to infinity of the series 1/2 , 1/6, 1/18, ..... ...
Find the sum of the first twenty terms of the progression log a, log a2, log a3........