if 5square root of y is irrational find the value of y.

Asked by sudhindra2001 | 12th Jul, 2015, 02:24: PM

Expert Answer:

G i v e n space t h a t space 5 square root of y space i s space i r r a t i o n a l. W e space k n o w space t h a t space 5 space i s space a space r a t i o n a l space n u m b e r. P r o d u c t space o f space a space r a t i o n a l space n u m b e r space a n d space a n space i r r a t i o n a l space n u m b e r space i s space i r r a t i o n a l. S i n c e space 5 space i s space r a t i o n a l comma space square root of y space i s space a n space i r r a t i o n a l space n u m b e r. T h e r e f o r e comma space y space i s space n o t space a space p e r f e c t space s q u a r e. B u t space f r o m space t h e space g i v e n space i n f o r m a t i o n space i t space i s space d i f f i c u l t space t o space f i n d space t h e space v a l u e space o f space y.

Answered by Vimala Ramamurthy | 12th Jul, 2015, 10:11: PM