Question

Find x if (2/9)^5*(9/5)^4 =[(2/9)^3]^2x*9/2^-3​

Answer 1

Step-by-step explanation:

Solution



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(92)3×(92)6=(92)2m−1

⇒(92)3+6=(92)2m−1

Since bases are same, we can equate the powers,

⇒9=2m−1

⇒2m=10 or m=210=5

∴m=5

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