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Grade: 12

                        

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

6 months ago

Answers : (3)

Saurabh Koranglekar
askIITians Faculty
8406 Points
							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
6 months ago
Vikas TU
12280 Points
6 months ago
Arun
24734 Points
							
As greatest + smallest = 0
 
hence smallest = – grestest
 
means both are numerically greatest term
 
Hope it helps
6 months ago
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