Question

a+b=5 ,a- b=√17 to find an without using formula and solve step by step​

Answer 1

Answer:

a = $\frac{5 - \sqrt{17} }{2}$

b = $\frac{5 + \sqrt{17} }{2}$

Step-by-step explanation:

a + b = 5

a - b = $\sqrt{17}$

-     +      -

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b = $\frac{5 + \sqrt{17} }{2}$

=> a = $\frac{5 - \sqrt{17} }{2}$

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