Question

Find the value of a and b

a^2 + b^2 = 400

Answer 1

20

Explanation:

Answer 2

Explanation:

a^2+b^2=400

a^2=400-b^2

a=sqrt(400-b^2) & -sqrt(400-b^2)

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b^2=400-a^2

b=sqrt(400-a^2) & -sqrt(400-a^2)