Badiuddin askIITians.ismu Expert
Last Activity: 15 Years ago
Dear vipul
There are many tricks to solve tough problem
but a single trick u can't use for every problem
tricks changes accroding to question that u can learn by solving question
more question u will solve u will learn more tricks u will develope ur own..
for example
if (a+x+x2)6n= a0 +a1x+a2x2+........
then find a0+a3+....... ?
Sol:
here if u will solve it will take lot of time
but u can take n=1/3 then u can find a0+a3+.......
when you put n=1/3
(a+x+x2)6n =(a+x+x2)2
expand this and compair with R H S term
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Badiuddin