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Case Study-2: Radha decorated the door...

Case Study-2:
Radha decorated the door of her house with garlands on the occassion of Diwali. Each garland forms the shape of a parabola as shown in the figure.

What is the value of k, if one of the zeroes of the quadratic polynomial `(k-2)x^2 - 2x-5` is -1?

A

5

B

3

C

-5

D

0

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