0. Let |ā|-3 an d |b | = 4 . The value of 'f' for which the vectors a+ ub and a ub are perpendicular is... 1) 2) 3) 4) 3 万3-4 d c.123 11 11 3-4

If |vec a|=3,|vec b|=4 then a value of lambda for which vec a+lambdavec b is perpendicular to vec a-lambdavec b is : (9)/(16) (b) (3)/(4) (c) (3)/(2) (d) (4)/(3)

The value of x when the points A(2,-1,1),B(4,0,3),C(x,1,1)andD(2,4,3) are coplanar is

The maximum and minimum values of the function |sin 4x+3| are....respectively. a) 1,2 b) 4,2 c) 2,4 d) -1,1

Find the value of p if the points A(2,-1,1),B(4,0,p),C(1,1,1) and D(2,4,3) are coplanar.

a and c are unit vectors and |b|=4. The angel between a and c is cos^(-1)(1/4) and b-2c=lambda a. The value of lambda is 3,-4 b.1/4,3/4 c.-3,4d.-1/4,3/4

the value of [3-4(3-4)^4 )]^3 is (a) 1 (b) -1 (c) 0 (d) 7

If 1,2,3 and 4 are the roots of x^4+ax^3+bx^2+cx+d=0 , then find the values of a,b,c and d.

A sphere and a cube are of the same height. The ratio of their volumes is 3:4 (b) 21:11 (c) 4:3 (d) 11:21