the value of
9^x (9^x-1)^x/9^x+1.3^2x-2 {729^x/3/81}^-x÷3^a-2^3.3^a-2/3^a-3^a-1
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Answers to Selected Exercises - Mathematical Sciences
x. )1/3. 103. ±4 105. ±2/3 107. −1, −1/3. 109. −2 111. 16 113. ±1 115. 33/8. Section 0.3. 1. 4x2 + 6x 3. 2xy − y2. 5. x2 − 2x − 3. 7. 2y2 + 13y + 15 9. 4x2 .
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