Question

hey mates please help me in these question please ​

Answer 1

Answer:

it is just an identity if a+b+c=0

then a^3+b^3+c^3=3abc

prime numbers less than 50 are 2,3,5,7,11,13,17,19,23,29,31,37,41,43,47

Answer 2

Answer:-

Refer the attachment