MCQ
$81 ^{sin^2 x} + 81 ^{cos^2x} = 30$ નો ઉકેલ ગણ ............. છે.
- Aએક
- ✓બે
- Cત્રણ
- Dચાર
$81 ^{sin^2 x} + 81 ^{cos^2x} = 30$
સ્વ પ્રયત્નથી ગણવો.
$sin^2 x = \frac{1}{4} \ \ or \frac{3}{4}$
$sin^2 x = sin^2 \frac{\pi}{6} \ \ or sin^2 \frac{\pi}{3}$
ઉકેલ ગણ $\left\{n \pi + \frac{\pi}{6}\right\} \ \cup \left\{n\pi + \frac{\pi}{3}\right\}$ જ્યાં $n \in Z$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.