1.

\({{\rm{I}}_{\rm{m}}} = \mathop \smallint \nolimits_0^{\rm{\pi }} \frac{{\sin 2{\rm{mx}}}}{{\sin {\rm{x}}}}{\rm{dx}},\)Consider the following:1. \({{\rm{I}}_{\rm{m}}} - {{\rm{I}}_{{\rm{m}} - 1}}\) is equal to 02. \({{\rm{I}}_{2{\rm{m}}}} > {\rm{\;}}{{\rm{I}}_{\rm{m}}}\)Which of the above is/are correct?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» B. 2 only


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