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math

posted by on .

solve the following:
ax + by = a-b
bx - ay = a+b
find the value of x and y

  • math - ,

    abx + b^2y = b(a-b)
    abx - a^2y = a(a+b)

    (b^2+a^2)y = -(a^2+b^2)
    y = -1
    similarly,
    x = 1

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