Question

The cube root of-238328

Answer 1

Solution :
238328 is an even number so its cube root has to an even number.
Make two groups ---> 238328

First group 328 ---> unit digit is 8 so unit digit of cube root will be 2.
(see the above table).

Second Group 238 -----> it lies between 6 ³ =216 and 7 ³ =343 .

So take the smaller number 6 as ten's place.

∴ ∛238328 = 62

so as - sign is present there , the cube root will be also negative number.

∛ - 238328 = -62

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