please can anyone solve the 1st question with step by step process
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Step-by-step explanation:
X = 3 + 2root 2
i) 1/x
1/3+2root2
Rationalising the denominator by 3 - 2 root 2
U will get answer
Answer:
1/x
=1/3+2√2
Rationalise the denominator
=1/3+2√2×3-2√2/3-2√2
{(a+b)(a-b)=a²-b²}
=3-2√2/(3)²-(2√2)²
=3-2√2/9-8
=3-2√2/1
=3-2√2