The factorisation 1+16 x+64 x^ 2 is - Vidyadip

MCQ

The factorisation $1+16 x+64 x^{2}$ is

A
$(1-8 x)^{2}$
✓
$(1+8 x)^{2}$
C
$(8-x)^{2}$
D
$(8+x)^{2}$

✓

Answer

Correct option: B.

$(1+8 x)^{2}$

b
$1+16 x+64 x^{2}$
$=(1) 2+2(1)(8 x)+(8 x)^{2}=(1+8 x)^{2}$

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