rationalise the denominator 3-√2÷3+√2
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Answer:
(13-6√2)/7
Step-by-step explanation:
3-√2÷3+√2
Multiplying 3-√2 on numerator and denominator,
(3-√2)(3-√2) ÷ (3-√2)(3+√2)
(3-√2)^2 ÷ (3^2 -(√2)^2)
(9-2.3.√2+4)÷(9-2)
(13-6√2)/7
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