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Awadhesh Ojha

· started a discussion

· 1 Months ago

wrong (Question: 259950.0 )

why not option a is correct? let theeta 0 and solve you will get option a correct
aur aap compare kisse kar rhe hai solution me????

Question:

  .

Options:
A)

x2a2-y2b2=1    

B)

y2=4ax

C)

x2b2+y2a2=1    

D)

None of these

Solution:

Ans: (d)

  

prakash deep

· commented

· 1 Months ago

compare with identity cos square theta plus sin square theta=1
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