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The number of real roots of eq 3x^5 + 10x^3 + 30x + 7 =0 ?

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Solve it bro
Any clue @alanli123

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Other answers:

Or graph it?
then look at x intercepts?
i wabt to solve this manually not by graph
Ok use the rational roots theorem and plug in possible root values
wat is that
bro how old are u
my guess is only one. and that one root should be negative.
i used descartes rule of signs.
hw u guys are using that rule can u teach me that @Ishaan94
i think that method is very easy!
i can link you, yes it's quite easy.
it says file not found @Ishaan94
nop i got it
haha really? try again,
@Ishaan94 that helps a lot.....i am happy that i learnt new concept ....thxx
since there is no change of sign it does not have any + ve roots
is that correct

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