1.

Find the product of ((1)/(2)x^(2)-(1)/(3)y^(2))and((1)/(2)x^(2)+(1)/(3)y^(2))

Answer»

`1/9 y^4-1/4 x^4`
`1/4 x^4-1/9 y^4`
`4x^2-9y^4`
`1/4 x^4-1/9 y^9`

ANSWER :B


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