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Question
If a = 3 and b = -2, find the values of :
ab + ba
Solution
ab + ba
Here a = 3 and b = -2
Put the values in the expression ab + ba
3-2 + (-2)3
`=(1/3)^2+(-8)`
`=1/9-8`
`=(1-72)/9`
`=-71/9`
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