Question

pls answer this question

Answer 1

As 243 = 3^5

and 729= 3^6

So 1/( 3^5x) =3^6y = 3^3

3^ ( -5x) = 3^ 6 y = 3^3

Compare

- 5x = 6y = 3

x= -3/5

y = 1/2

5x + 6y

5( -3/5) + 6(1/2)

-3 + 3

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