SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Let two non-collinear unit vectors  and  from and acute angle. A point  moves so that at any time  the position vector  (where  is the origin) is given by . When  is farthest form origin , let  be the length of  and   be the unit vector along   Then,

a)

b)

c)

d)


Question ID - 54030 :-

Let two non-collinear unit vectors  and  from and acute angle. A point  moves so that at any time  the position vector  (where  is the origin) is given by . When  is farthest form origin , let  be the length of  and   be the unit vector along   Then,

a)

b)

c)

d)

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

Given,



Next Question :

The ratio between a two-digit number and the sum of the digits of that number is 4:1. If the digit in the unit’s place is 3 more than the digit in the ten’s place, then the number is

 

(a)

24

(b)

36

(c)

63

(d)

96


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