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akansha kalra Grade: 11
        


Total no. of of terms in the expansion of (x+a)^100  + (x-a)^100 after simplication is?


and how is the answer - 50 if simplication is 


2(X100+100c2  x98 a2 + 100c4 x96 a4+….+100c100 a 100)

5 years ago

Answers : (1)

Aditya Verma
33 Points
										

hey the ans of your question is 51 not 50


after simplification its going to be









2(X100+100c x98 a2 + 100cx96 a4+….+100c100 100)


from  a2 - a100 there are 50 terms but you forgot the first term so the ans is 51.


Hope i helped..!



5 years ago
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