1.

If the sum of the zeros of the quadratic polynomial kx2 -3x + 5 is 1 write the value of k..

Answer»

By using the relationship between the zeroes of the quadratic polynomial. 

We have 

Sum of zeroes = \(\frac{-(coefficient\,of\,x)}{(coefficient\,of\,x^2)}\)

⇒ 1 = \(\frac{-(-3)}k\)

⇒ k = 3



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