if x^4 + X^3 +X^2 +1=0 then find X^2015 + X^3015 + 5=?
adityaaryaas:
Is there x also added after x^2?
Is it x^4 + x^3 + x^2 + x + 1 = 0 ?
yes
no
there is only X^4+ X^3 +X^2 +1=0.
there is only X^4+ X^3 +X^2 +1=0.
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Answer:
We get x=1 then
1^2015+1^3015+5=7.
how do you got X=1?
its big process..but shortcut that any equation like x^3+x^2+..+k.then x value is definitely that "k" value.
but there is not X after X^2.
i just simply indicated as'+.....+'it means so on..
in that x also included..okay.
but in question there is not X
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