Question

$1 \sqrt{2} ^3 + 1 + \sqrt{2}^3$
find the value of this with suitable identities ​

Answer 1

Answer:

4√2 + 1

Step-by-step explanation:

1√2^3 +1 +√2^3

= √2^3 ( 1 +1) +1

= 2√2 * 2 + 1

= 4√2 + 1