Q9 of 50 Page 9

Evaluate 0.1y(0.1x5 +0.1y).

0.1y (0.1x5 + 0.1y)


= 0.1y × 0.1x5 + 0.1y × 0.1y


= 0.01 × x5 × y + 0.01 × y2


= 0.01x5y + 0.01y2


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