Question

IF xsquare+1/xsquare=7
find the value of xcube+1/xcube​

Answer 1

Answer: 18

Step-by-step explanation:

By using (a+b)2 identity and substituting the thus found value in (a+b)3 identity, you can get the answer...

Hope it helps

Answer 2

Step-by-step explanation:

please see the attached solution above.