Question

solve
$\sqrt[3]{343} - \sqrt{ - 216}$
​

Answer 1

Answer:

On prime factorising, we get,

216=

6×6×6

=6

3

.

343=

7×7×7

=7

3

.

Then, −343 =(−7)

3

.

Therefore, value of

3

216×(−343)

is:

3

6

3

×(−7)

3

=6×(−7)=−42.

Therefore, option B is correct