Find the reciprocal of the sum of 1whole7by9 and 1 whole 9 by 7
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If you mean 1(7/9)+1(9/7)'s reciprocal,
=(7/9+9/7)^-1
=(130/63)^-1
=63/130
chaitu200:
Its wrong
why?
Ans is -63/258
its of which book?
Mathemtics
Ams is
I know its maths, i am asking which book
Ans is -63/258 but I am not understanding the process
7 class
BOOK? AUTHOR??
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