if p=3+√2, then find p+1÷p
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Step-by-step explanation:
1/p (since p is irrational, we rationalise)
1/p = (3-√2) / (3+√2)(3-√2)
= 3-√2 / 9-2
= 3-√2 / 7
p + 1/p = 3+√2 + (3-√2)/7
= [21 + 7√2 + 3-√2]/7
= (24 + 6√2)/7
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