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plz answer this plz with explaination if you don't know then please don't comment anything plz answer then I will mark it as crown and follow also​

Answer»

or means the upper PART of fraction here we NEED to multiply it with a number so that we can get -12 so here if we will multiply 3 with -4 then we will get -12 . there is a rule that if we are multiplying numerator with any number we have to multiply denominator with the same number too your SUM goes like what I have written in attachment HOPE it helps .



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