Math, asked by ajay7341, 1 year ago

solve the following equations:. 9y^4 +20 = 29y^2

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Answered by radha3939
0
sorry i solved it in a wrong way

ajay7341: your answer is wrong.
radha3939: ok
radha3939: can u plz tell me correct one
ajay7341: +-1, +-2√5/3
radha3939: how
ajay7341: if i would have known it, why would i post the question?
radha3939: ok
ajay7341: i don't know how to solve it, its the answer from the book.
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