A) \[x\left( x+2y \right)\left( 2x+3y \right)\]
B) \[x~\left( x+4y \right)\left( 2x-3y \right)\]
C) \[~x\left( x-4y \right)\left( 2x-3y \right)\]
D) \[x\left( x+2y \right)\left( x-3y \right)\]
Correct Answer: B
Solution :
(b): Here x has to be taken as common factor \[=x\left[ 2{{x}^{2}}+5xy-12{{y}^{2}} \right]\] \[=2\times {{x}^{2}}+(5y)\times x-12{{y}^{2}}\] is of the form \[a{{x}^{2}}+bx+c\] Now, use same techniques as in Q9.
You need to login to perform this action.
You will be redirected in
3 sec
