Question

if a+b= 7 and ab =12 find a-b

Answer 1

Answer:

hi

solution.

assuming

a=4

b=3

so,

a+b=7

4+3=7

a×b=12

4×3=12

4-3= 1

ans is 1

Answer 2

Answer:

formula ( a+b ) ² = a² + b² + 2ab

7² = a²+b²2( 12)

a²+b²= 49 - 24 = 25

Step-by-step explanation:

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