please answer question 19 and 20
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1
follow the following image....answer of 19 is -6 and answer of 20 is -1/2
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RakshandaRazi:
method of solving is wrong
mine is correct check urs
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0
i hope this will help you
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u r wrong in second step only
i have solved correctly
check it u have not chnaged sign in second step
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