Ifx= 1, y = 2 is a solution of the equation 3 x tag = 6,
find the value of a
a.
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Gives you various single values for x and y. Therefore clearly insufficient.
If , then xy = 36 which can be built with 3*12 or 6*6 ... insufficient.
1+2) Here we know, x+y = 15 and xy = 36, hence x, or y are splitted up as 12 and 3. It does actually not matter if x is 3 or 12 or y is 3 or 12. The sum of will be the same.
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