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Factorization — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSFactorization1 Mark
MCQ
The factorisation of $4 \mathrm{y}^{2}-12 \mathrm{y}+9$ is
  • A
    $(2 y+3)^{2}$
  • ✓
    $(2 y-3)^{2}$
  • C
    $(3 y+2)^{2}$
  • D
    $(3 y-2)^{2}$
✓

Answer

Correct option: B.
$(2 y-3)^{2}$
b
$4 y^{2}-12 y+9$
$=(2 y)^{2}-2(2 y)(3)+(3)^{2}$
$=(2 y-3)^{2}$

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