Q32 of 116 Page 6

Evaluate each of the following when x=2, y -1

2 × × x × x2 × x2 × y × y2 × y

= x5y5


= x5y5


Verification:


When x = 2 and y = 1


R.H.S = x5y5


= (2)5 × (-1)5


= × 32 × -1


= - 16


Therefore,


L.H.S = R.H.S


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