1−12√3
1+12√3
√3
1+√3
Correct answer is B
1(1−√3)2
(1−√3)2=(1−√3)(1−√3)
1−2√3+3=4−2√3
14−2√3
After rationalising (multiplying the denominator and numerator with 4+2√3, we have
4+2√34=1+12√3
Age in years 10 - 14 15 - 19 20 - 24 25 - 29 30 - 34 Frequency 6 8 14 10 12 ...
Two forces 10N and 15N act on an object at an angle of 120° to each other. Find the magnitude of...
P, Q, R, S are points in a plane such that PQ = 8i - 5j, QR = 5i + 7j, RS = 7i + 3j and PS = x...
A stone is thrown vertically upward and distance, S metres after t seconds is given by S = 12t ...
Given that f(x)=2x2−3 and g(x)=x+1 where x∈R. Find g o f(x)....
Given that y2+xy=5,finddydx...
Evaluate \cos 75°, leaving the answer in surd form....
Simplify: (1 - \sin \theta)(1 + \sin \theta)...
Given that 3x + 4y + 6 = 0 and 4x - by + 3 = 0 are perpendicular, find the value of b....