Question

If a ² - 3a + 1 and a is not equal to 0; find ; a+ 1/ a

Answer 1

Answer:

2.995 or 2.235

Step-by-step explanation:

a²-3a+1

$- y + - \sqrt{y {}^{2} - 4xz } \div 2x$

$3 + - \sqrt{( - 3) {}^{2} - 4 \times 1 \times 1 } \div 2 \times 1$

$(3 + - 2.23) \div 2$

$= (3 + 2.23 )\div 2$

or

$(3 - 2.23) \div 2$

therefore a=2.615 or 0.615

☆a+1/a= 2.995or.2.235

Answer 2

Answer:

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