Solve for x and y: px+qy=p-q qx-py=p+q
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x=1
Y=-1
p(px+qy=p-q)
q(qx-py=p+q)
p²x+pqy =p²-pq
q²x-pqy= q²+pq
Adding them
p²x+q²x=p²+q²
x(p²+q²)=p²+q²
x=1
Substiuting x=1 in px+qy=p-q
y=-1
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Y=-1
p(px+qy=p-q)
q(qx-py=p+q)
p²x+pqy =p²-pq
q²x-pqy= q²+pq
Adding them
p²x+q²x=p²+q²
x(p²+q²)=p²+q²
x=1
Substiuting x=1 in px+qy=p-q
y=-1
Please mark it brainliest...
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