2. If ax + by = a²-b² and bx + ay = 0, find the value of (x + y)?
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2. If ax + by = a²-b² and bx + ay = 0, find the value of (x + y)?
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Answer:
Solve=
Given,
ax+by=a^2 −b^2 ......(1)
bx+ay=0.......(2).
Now adding (1) and (2) we get,
x(a+b)x+(a+b)y=a^2 −b^2
or, (a+b)(x+y)=a^2 −b^2
or, x+y=a−b.
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