5 cm \quad \text { (ii) } 4 - 2 cm
Evaluate
-22cm
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5icm\times \left(4i\right)-2cm
Multiply 5 and i to get 5i.
-20cm-2cm
Multiply 5i and 4i to get -20.
-22cm
Combine -20cm and -2cm to get -22cm.
Examples
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Limits
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