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If x = 4 and y = -2, the value of 1/2 xy^{2} is

1) 32

2) 8

3) -4

4) -8

**Comments**

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1/2 xy^{2}

when x = 4 and y = -2, the expression becomes:

1/2 (4)(-2)^{2}

= 1/2 (4)(4)

= 1/2 (16)

= 8

**Ans 2**

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