1.

((-5)/11)^(K %2B 2)/((-5)/11)^(-4*K %2B 5)=((-5)/11)^(2*K)

Answer»

(-5/11)^k+2 ÷ (-5/11)^-4k+5= (-5/11)^2k

(-5/11)^[k+2-(-4k+5)] = (-5/11)^2k

(-5/11)^[k+2+4k-5] = (-5/11)^2k

(-5/11)^[5k-3] = (-5/11)^2k

5k - 3 = 2k

5k - 2k = 3

3k = 3

k = 3/3 = 1



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