MCQ
If $7\text{x} + 3 < 5\text{x} + 9$ then $\text{x}\in$
- A$\big(-\infty, -3\big]$
- B$\big(\infty,\infty\big)$
- ✓$\big(-\infty,3\big)$
- D$\big[3,\infty\big)$
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$ \frac {sinAsin BsinC}{(sin 3A+ sin 3B+ sin 3C)}$ (wherever definied) is -