Grade 12Magical Mathematics[Interesting Approach]
The total number of terms in the expansion of (x+a)47 - (x-a)47 after simplification will be?
The total number of terms in the expansion of (x+a)47 - (x-a)47 after simplification will be?
1 Answer
Arun
Dear Akshay
Total number of terms in (x+a)^47 = 48 terms
Now
In
(x+a)^47 - (x-a)^47 = all the odd terms are cancelled out.
Hence
Total terms remaining = 48 -24 = 24
Regards
Arun (askIITians forum expert)
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