If a FM signal has modulation index m, then what will be its modulation index after passing through frequency tripler?

m‚Äö√Ñ√∂‚àö√ñ‚àö√´3

If a FM signal has modulation index m, then what will be its modulatio

1.	If a FM signal has modulation index m, then what will be its modulation index after passing through frequency tripler?
A.	<sup>m</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>3</sub>
B.	m
C.	3m
D.	9m
Answer» D. 9m