pls answer my question
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1. 90^2-3^2=8100-9=8091
2. 100^2-6^2=10000-36=9964
2. 100^2-6^2=10000-36=9964
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2nd is wrong
noo.. correct bcoz here identity is used , i also did the same
6² is 36 not 6
and 10000-36=9964 not 9994
yaa correct but nobody has written 6
i have also written 36 see there...
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This is your answer dear....
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