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Find the value of x, if 5^x-3 × 5^2x-8 = 5^5 |
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Answer» Step-by-step explanation: 5^x-3. 3^2x-8 = 225 We can WRITE 225 as follows:- 225 = 3 × 75 = 3 × 3 × 25 = 3 × 3 × 5 × 5 ∴ 5^x-3. 3^2x-8 = 5²×3² Compare both, 5^x-3=5² | 3^2x-8=3² Bases are equal EXPONENTS must be equal. x-3=2. | 2x-8=2 x=5. | 2x=10,x=5 Therefore,the VALUE if x is 5 |
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