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CBSE Class 10 Answered

FOR WHAT VALUE OF n THE EQUATION 2x2-nx+n=0 has coincident roots
Asked by ankur.spsharma | 02 May, 2022, 11:54: AM
Expert Answer
2x2 - nx + n = 0
As the roots must be coincident, we hace D = 0
rightwards double arrow left parenthesis negative straight n right parenthesis squared minus 4 left parenthesis 2 right parenthesis left parenthesis straight n right parenthesis equals 0
rightwards double arrow straight n squared minus 8 straight n equals 0
rightwards double arrow straight n left parenthesis straight n minus 8 right parenthesis equals 0
rightwards double arrow straight n equals 0 space or space straight n equals 8
Answered by Renu Varma | 04 May, 2022, 11:51: AM
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