Step-by-step explanation:
Lets derive this equation,
we can write ,
going by the identity,
using the identity ,
.................(1)
After simplification of equation no.1 we get -
............... (for any value of a)
Hence the equation is proved for every value of a.
Answer:
its true besties
Step-by-step explanation:
just got it correct on apx
3+7=??
4+5=??
5+8=??
6+7=??
7+8=??