rationalise the 1+√2%2-√2
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Answer:
Step-by-step explanation:
+✓2/2-✓2
=> 1+✓2/2-✓2 × 2+✓2/2+✓2
=> (1+✓2) (2+✓2)/ (2-✓2) (2+✓2)
=> 1(2+✓2) + ✓2(2+✓2) / (2)² - (✓2)²
=> 2+✓2 + 2✓2 + ✓2 × ✓2 / 4 - 2
=> 2+✓2+2✓2+2/2
=> 4+3✓2/2....Ans....
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