Examples 11 and 12

Parin Sir > Quantitative Aptitude (Maths) > Quadratic Equation > Examples 11 and 12
22
Jul
Examples 11 and 12

(11) Find  the set of  values of  k  for which 2x2 + 20x + k  can be factorized into real linear factors.

Soln. 2x2 + 20x + k  will be factorizable only when  D

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