1.

the factorisation of `4x^(2)+8x+3` isA. `(x+1)(x+3)`B. `(2x+1)(2x+3)`C. `(2x+2)(2x+5)`D. `(2x-1)(2x-3)`

Answer» Correct Answer - B
Now , `4x^(2)+8x+3=4x^(2)+6x+2x+3 " " ["by splitting middle term"]`
`=2x(2x+3)+1(2x+3)`
`=(2x+3)(2x+1)`


Discussion

No Comment Found