Find the value(s) of k for which the pair of linear equations kx + y = k2 and x + ky = 1
have infinitely many solutions.
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the ratio of lines which have infunetely many solutions is a1/a2=b1/b2=c1/c2 so cimpairing coefficients k/1=1/k. therefore k xsquare=1. hence k=+-1
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