Q 65 65 The number of positive integral solutions of the equation x1x2x3x4x5 = 1050 is - Maths - Relations and Functions

Question

Q 65

65     T h e   n u m b e r   o f   p o s i
t i v e   i n t e g r a l   s o l u t i o n s   o f
  t h e   e q u a t i o n   x 1 x 2 x 3 x 4 x 5
  =   1050   i s   ( a )     1800
                 
            ( b )     1600
                 
          ( c )     1400  
                 
        ( d )     1875

Brijendra Pal · Accepted Answer

Hi,
nCr= n!r!×n-r!

Q 65 65 . T h e n u m b e r o f p o s i t i v e i n t e g r a l s o l u t i o n s o f t h e e q u a t i o n x 1 x 2 x 3 x 4 x 5 = 1050 i s ( a ) 1800 ( b ) 1600 ( c ) 1400 ( d ) 1875

Q 65

$65 . T h e n u m b e r o f p o s i t i v e i n t e g r a l s o l u t i o n s o f t h e e q u a t i o n x_{1} x_{2} x_{3} x_{4} x_{5} = 1050 i s (a) 1800 (b) 1600 (c) 1400 (d) 1875$