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(a ) Find the values of k so that the equationx^(2)= 2x (1+3k) +7 (3+2k) = 0has real and equal roots. (b ) If the roots of the equation (q-r) x^(2) +(r-p)x +(p-q) = 0are equal then show that p,qand r are inA. P . |
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