7√3−17√23
7√2−17√33
−7√2+17√33
−7√3−17√23
Correct answer is B
Given 8−3√62√3+3√2,
first, we rationalise by multiplying through with 2√3−3√2 (the inverse of the denominator).
(8−3√62√3+3√2)(2√3−3√22√3−3√2)
= 16√3−24√2−18√2+18√34(3)−6√6+6√6−9(2)
= 34√3−42√2−6=7√2−17√33
A curve is given by y=5−x−2x2. Find the equation of its line of symmetry....
Express x2+x+4(1−x)(x2+1) in partial fractions....
A binary operation * is defined on the set of real numbers, by a∗b=ab+ba...
If |3x2x−2|=−2, find the value of x....
Three forces F_{1} = (8 N, 300°), F_{2} = (6 N, 090°) and F_{3} = (4 N, 180°) ac...
P, Q, R, S are points in a plane such that PQ = 8i - 5j, QR = 5i + 7j, RS = 7i + 3j and PS = x...
Simplify \frac{1}{3} log8 + \frac{1}{3} log 64 - 2 log6...
If V = \begin{pmatrix} -2 \\ 4 \end{pmatrix} and \(U = \begin{pmatrix} ...