Question

(a+b)^2=100 or a:b=1:3 find value ab

Answer 1

Step-by-step explanation:

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Answer 2

(a + b)^2= 100

a + b = +10 and - 10

a/b = 1/3

3a = b

so

a + 3a = 20 and a + 3a = -10

a = 5 and -5

so

b = 5 and -5

there for

ab = 25 and -25