27x22x=215527x22x=(215)1527x-2x=215×1525x =23therefore5x=3x=35Regards

Please solve Q. No29c

\frac{2^{7 x}}{2^{2 x}} = \sqrt[5]{2^{15}} \frac{2^{7 x}}{2^{2 x}} = {(2^{15})}^{\frac{1}{5}} 2^{7 x - 2 x} = 2^{15 \times \frac{1}{5}} 2^{5 x} = 2^{3} t h e r e f o r e 5 x = 3 x = \frac{3}{5} R e g a r d s