Question

If x-y=12,xy=25/4 then find X+y=?

Answer 1

Step-by-step explanation:

x-y=12

or, (x-y)² = 144

or, (x-y)² +4xy = 144 + 4xy

or, (x+y)² = 144 + 4×25/4

or, (x+y)² = 144 + 25

or, (x+y)² = 169 = (13)²

or, (x+y) = 13

so, (x+y) = 13.

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Answer 2

Answer is in pic.....check out....