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If alpha and beta are the roots of the e...

If `alpha` and `beta` are the roots of the equation `2x^2-3x + 4=0`, then the equation whose roots are `alpha^2` and `beta^2,` is

A

`4x^(2)+7x+16=0`

B

`4x^(2)+7x+6=0`

C

`4x^(2)+7x+1=0`

D

`4x^(2)-7x+16=0`

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The correct Answer is:
A
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    B
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    B
    `l^4 x^2+nl(m^2-2nl)x+n^4=0`
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