# Find and correct the errors in the following mathematical statements.Q13)$( 2a +3b ) ( a-b) = 2 a ^2 - 3 b^2$

= $2a^{2} -2ab + 3ab - 3b^{2}$
= $2a^{2} +ab - 3b^{2}$   $\neq$   R.H.S.
Correct statement is  (2a + 3b)(a -b) = $2a^{2} +ab - 3b^{2}$