Find the rationalising factor of (i) cube root 40 (ii) cube root 200
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Answer:
∛40 = ∛2*2*2*5
= 2*∛5
rationalizing factor of ∛ 40 =2*∛5 is ∛5²
³√200=³√2×2×2×5×5
=10 ³√2
rationalizing factor is ³√2
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