Question

If m+n=4; mn=3; then m-n=?
Hin: (m-n)² = (m + n) ²-4 mm
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Answer 1

Step-by-step explanation:

HOPE IT WILL HELP YOU.........

MARK AS BRAINLIEST ANSWER.........

Answer 2

Answer:

+2

or

-2

Step-by-step explanation:

(m-n)^2 = (m+n)^2-4mn

= 4^2 - 4×3

= 16- 12

(m-n) =√4

= +2 or -2

hope it helps

thanks

plz mark it brainliest cause it is best explanation of the two