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Find the values of k for which the roots are real and equal in each of the following equations:(i) kx2+4x+1=0(ii) kx2-25x+4=0(iii) 3x2-5x+2k=0(iv) 4x2+kx+9=0(v) 2kx2-40x+25=0(vi) 9x2-24x+k=0(vii) 4x2-3kx+1=0(viii) x2-25+2kx+37+10k=0(ix) 3k+1x2+2k+1x+k=0(x) kx2+kx+1=-4x2-x(xi) k+1x2+2k+3x+k+8=0(xii) x2-2kx+7k-12=0(xiii) k+1x2-23k+1x+8k+1=0(xiv) 2k+1x2+2k+3x+k+5=0(xvii) 4x2-2k+1x+k+4=0(xviii) 4x2-2k+1x+k+1=0

Answer» Find the values of k for which the roots are real and equal in each of the following equations:



(i) kx2+4x+1=0

(ii) kx2-25x+4=0

(iii) 3x2-5x+2k=0

(iv) 4x2+kx+9=0

(v) 2kx2-40x+25=0

(vi) 9x2-24x+k=0

(vii) 4x2-3kx+1=0

(viii) x2-25+2kx+37+10k=0

(ix) 3k+1x2+2k+1x+k=0

(x) kx2+kx+1=-4x2-x

(xi) k+1x2+2k+3x+k+8=0

(xii) x2-2kx+7k-12=0

(xiii) k+1x2-23k+1x+8k+1=0

(xiv) 2k+1x2+2k+3x+k+5=0

(xvii) 4x2-2k+1x+k+4=0

(xviii) 4x2-2k+1x+k+1=0


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