Rationalise denominator
√2 + 1/
√2-1
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Answered by
7
Answer:
3
Step-by-step explanation:
√2+1/√2-1=√2+1/√2-1×√2+1/√2+1
=(√2+1)²/(√2)²-(1)²
=(2+1)/(2-1)
=3/1
=3
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