Question

if a+b=4 and ab=2 then a-b=​

Answer 1

HERE IS UR ANSWER DEAR,

ab=2

b= 2/a

a+b=4

a +2/ a = 4

a² + 2 = 4 × 2

a² = 8 -2.

a² = 6

a = √6.

ab= 2

(√6) b = 2

b = 2/√6

Answer 2

Answer:

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