First slide
Binomial theorem for negative integral and rational Index
Question

The smallest integer larger than (3+2)6  is 

Easy
Solution

(3+2)6+(3-2)6 

=2(6c0(3)6+6c2(3)4(2)2+6c4(3)2(2)4+6c6(2)6) 

=2(1×27+15×9×2+15×3×4+8)

=970

Since 0<(3-2)6<1, the smallest integer larger than (3+2)6 is 970

 

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