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atharvasonar088

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[tex]\huge\sf\fbox\red{Question:-}[/tex]

[tex] {3x}^{2} \: - y ^{3 } - {y}^{3} - z[/tex]

[tex] \: \: x = 3[/tex]

[tex]y = - 2[/tex]

[tex]z = - 5[/tex]

[tex]\huge\sf\fbox\red{Answer:-}[/tex]

= 3x²-y³-y³-z

= 3×(3)²-(-2)³-(-2)³-(-5)

= 27+8+8+5

= 48

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