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CBSE Class 7 Answered

how to identify like and dislike expressions
 
Asked by Sachin | 11 Dec, 2015, 08:31: PM
answered-by-expert Expert Answer
C o n s i d e r space t h e space e x p r e s s i o n space a squared minus b squared plus 2 x cubed y squared z minus x z to the power of 6 plus w to the power of 5 y to the power of 7 H e r e comma space a squared space space space space space space space space space space t e r m space space space space space space space minus b squared space space space space space space space space space t e r m space space space space space space 2 x cubed y squared z space space space space space space space space t e r m space space space space space space minus x z to the power of 6 space space space space space space space space space space space t e r m space space space space space space space space w to the power of 5 y to the power of 7 space space space space space space space space space t e r m T h u s space t h e r e space a r e space 5 space t e r m s space i n space t h e space a b o v e space e x p r e s s i o n E a c h space t e r m space i n space a n space a l g e b r a i c space e x p r e s s i o n space i s space a space p r o d u c t space o f space o n e space o r space m o r e space n u m b e r s space o r space l i t e r a l s. I n space t h e space a b o v e space e x p r e s s i o n comma space a l l space a r e space u n l i k e space t e r m s. N o w space c o n s i d e r space t h e space e x p r e s s i o n 12 x squared y z minus 3 x y z plus 4 y z x space minus 6 x y squared z plus 3 x squared y z I n space t h e space a b o v e space e x p r e s s i o n comma 12 x squared y z comma space 3 x squared y z space a r e space l i k e space t e r m s minus 3 x y z comma 4 y z x space a r e space l i k e space t e r m s minus 6 x y squared z space i s space a n space u n l i k e space t e r m space d o e s space n o t space m a t c h i n g space w i t h space a n y space o t h e r space t e r m s.
Answered by Vimala Ramamurthy | 12 Dec, 2015, 03:57: PM

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