( y ^ { 2 } + \frac { 3 } { 2 } ) ( y ^ { 2 } - \frac { 3 } { 2 } ) – InterviewSolution

1.

( y ^ { 2 } + \frac { 3 } { 2 } ) ( y ^ { 2 } - \frac { 3 } { 2 } )

Answer»

(y^2+3/2)(y^2-3/2)=y^2(y^2-3/2)+3/2(y^2-3/2)=y^4-3/2y^2+3/2y^2-9/4=y^4-9/4

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