CBSE Class 10 Answered
what should be added to the polynomial x ^2-5x+4 so that 3 is the zero of the polynomial
Asked by hvsl123 | 24 Jun, 2021, 05:30: PM
Expert Answer
Let f(x) = x2 -5x + 4
Let g(x) = f(x) +k = x2 -5x +(4+k)
if 3 is zero of polynomial g(x) , then g(3) = 0
g(3) = (3)2 -5(3) +(4+k) = (4+k) - 6 = 0 or k = 2
If we add 2 to polynomial ( x2 -5x + 4 ) , Then polynomial becomes ( x2 -5x + 6 )
3 is zero of polynomial ( x2 -5x + 6 )
Answered by Thiyagarajan K | 19 Sep, 2021, 04:22: PM
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