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CBSE Class 9 Answered

sum of two irrational numbers whose product is a rational number
Asked by sanjeev.mami | 30 Sep, 2015, 08:32: PM
answered-by-expert Expert Answer
C o n s i d e r space t w o space i r r a t i o n a l space n u m b e r s comma space square root of 2 space a n d space square root of 8 S u m space o f space t h e space a b o v e space t w o space i r r a t i o n a l space n u m b e r s equals square root of 2 plus square root of 8. A g a i n space square root of 2 plus square root of 8 space i s space a n space i r r a t i o n a l space n u m b e r C o n s i d e r space t h e space p r o d u c t space o f space t w o space i r r a t i o n a l space n u m b e r s equals square root of 2 cross times square root of 8 equals square root of 16 equals 4 H e r e comma space t h e space p r o d u c t space o f space t w o space i r r a t i o n a l space n u m b e r s equals 4 comma space i s space r a t i o n a l.
Answered by Vimala Ramamurthy | 01 Oct, 2015, 10:53: AM
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