Question

If a - b = 4 and a + b = 4 find ab​

Answer 1

Answer:

a=4,b=0

Step-by-step explanation:

hope this answers is helpful to you

Answer 2

Answer:

b=0

a=4

Step-by-step explanation:

a-b=4

a+b=4

That means,

a+b=a-b

we know that a=a

but, b≠ -b

So, here b=0

and a=4

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