Let , then all real values of for which takes real values, are |
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a) |
b) |
c) |
d) |
None of these |
Let , then all real values of for which takes real values, are |
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a) |
b) |
c) |
d) |
None of these |
(a)
We have,
here cannot be 2.
are positive.
….(i)
or is negative and is negative.
…(ii)
From Eqs. (i) and (ii), we get