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The sum of the greatest and the smallest terms in (x + 12)^21 is zero then x can take values: a.-10 b.-21 c.-28 d.-6

The sum of the greatest and the smallest terms in (x + 12)^21 is zero then x can take values:
a.-10  b.-21  c.-28  d.-6

Grade:12th Pass

3 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

The smallest term is 21c21 x^21


Largest term is 21c10 x^10 12^11

The terms can be added and value of x can be obtained

Regards
Vikas TU
14149 Points
4 years ago
Arun
25750 Points
4 years ago
As greatest + smallest = 0
 
hence smallest = – grestest
 
means both are numerically greatest term
 
Hope it helps

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