Mathematics: Equivalence
(1) Connection | (2) Proof Step Description | (3) Justification (Reason) |
... | (a+3b)2-3b 2 = a2 + 6b(a + b) | ....... |
⇔ | (a+3b)2 = a2 + 6ab + 9b 2 | Distributive Law and +3b2 |
Mathematics: Equation
(1) Connection | (2) Proof Step Description | (3) Justification (Reason) |
... | (a+3b)2 | ....... |
= | a2+6ab+(3b)2 | Binomial Theorem |