For what value of does the quadratic equation have equal real roots?

MATHEMATICS · Subjective · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

For what value of k (≠2)k\,(\neq 2) does the quadratic equation (k−2)x2+4x+1=0(k-2)x^2 + 4x + 1 = 0 have equal real roots?

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