Question

evaluate the expression given below if a = -2 & b=-1
1. 
$(4 - a- b) \times \frac{1}{a}$
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Answer 1

Step-by-step explanation:

$given \: \: \: \\ a = - 2 \\ b = - 1 \\ \\ therefore \\ (4 - a - b) \times \frac{1}{a} \\ (4 + 2 + 1) \times \frac{1}{ - 2} \\ (7) \times \frac{ - 1}{2} \\ \frac{ - 7}{2}$

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