The quadratic equation has equal roots

MATHEMATICS · Single correct · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

The quadratic equation (k+1)x2+2(k−3)x+8=0(k+1)x^2 + 2(k-3)x + 8 = 0 has equal roots. What is the product of all real values of kk that satisfy this condition? (a) −1-1 (b) 1414 (c) 11 (d) 00

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