Question

If zeroes of the quadratic polynomial (( − 1)2 + + 1 is -3, then find the value of k .

Answer 1

Step-by-step explanation:

∴

2

1

is a root of the quadratic equation

It must satisfy the quadratic equation

x

2

+kx−

4

5

=0

(

2

1

)

2

+k(

2

1

)−

4

5

=0 ⇒

4

1

+

2

k

−

4

5

=0

4

1+2k−5

=0 ⇒2k-4=0$$

k=2

Answer By Preet Kaur

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