Think Binomial
( 3 1 0 ) + ( 3 1 1 ) + ( 3 1 2 ) + ( 3 1 3 ) + ( 3 1 4 ) + ( 3 1 5 ) + ( 3 1 6 ) + ( 3 1 7 ) + ( 3 1 8 ) + ( 3 1 9 ) + ( 3 2 0 ) Calculate the above sum.
This is part of the set My Problems and THRILLER
The answer is 5775.
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Hint : To apply the property ( r n ) + ( r + 1 n ) = ( r + 1 n + 1 )
Just add and subtract ( 4 1 0 ) ,now simply apply the above formula,you will get the answer.