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 |

1 Answer - 5876 Votes

3537

**(a)**

We have,

here cannot be 2.

are positive.

….(i)

or is negative and is negative.

…(ii)

From Eqs. (i) and (ii), we get