Grade 11IIT JEE Entrance Exam
How rho solve the image problem please explainfully and clearly ...............
How rho solve the image problem please explainfully and clearly ...............
1 Answer
Vallakatla Aditya
You can solve this problem by simplfing method
write x2+1/x2 as (x+1/x)2= (x2+1)2/x2
as in the problem given ^-5 so we get x10 (x2+1)30
now the coefficient of x20 is coefficient of x10 in (1+x2)30 and that is
30C5 And the answer is 30C5 .
.
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