Find the value of k for which the equation x square - 4 x + k = 20 has distinct real roots
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for distinct roots b2-4ac >0.....b2>4ac
16>4(1)(k-20)
4>k-20
k<24....
for all values of k less than 24 the equation has distinct real roots
16>4(1)(k-20)
4>k-20
k<24....
for all values of k less than 24 the equation has distinct real roots
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