Question

factorize using identities
(a+3c)²-1
​

Answer 1

Answer:

The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.

Answer 2

Answer:

Formula (a+b)²=a²+b²+2ab-1

Step-by-step explanation:

answer aa jayaiga use this formula

which are given in uper side top

thanks... I hope it's helpful to you...