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kailash

· started a discussion

· 1 Months ago

why can we not take k=0? (Question: 346184.0 )

then also x gives same value

Question:

For which value of k does the pair of equations x2 – y2 = 0 and (x – k)2 + y2 = 1 yield a unique positive solution of x?

Options:
A)

2

B)

0

C)

2    

D)

-2    

Solution:

Ans: (c)

  

Knowledge Expert

· commented

· 1 Months ago

Dear student
Given answer is correct
We solved by options

Best wishes
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