25/4 raised to the power of 3 multiply 2/5 raised to the power of 6 is equal to 5/2 raise to power n/2-1.
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⇒(25/4)^3×(2/5)^6=(5/2)^n/2-1
⇒25×25×25×2×2×2×2×2×2/4×4×4×5×5×5×5×5×5=5/2^n
⇒1=5/2^n
⇒5/2^0=5/2^n (∵if bases are equal powers are also equal
⇒n=0
⇒25×25×25×2×2×2×2×2×2/4×4×4×5×5×5×5×5×5=5/2^n
⇒1=5/2^n
⇒5/2^0=5/2^n (∵if bases are equal powers are also equal
⇒n=0
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