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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Deepak singh 1 Best Answer
Refer attachment
what is wron g in my solution?
??
L.H.L will be 4 not -4 here .
but why sir please give me a valid or technical reason.
here clearly √(9+7)= 4 is coming in LHL . how -4 will come ?
these two are different concept here which are correct independently.