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

MCQ

The factorisation $1 + 16x + 64x^2$ is:

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

✓

Answer

Correct option: B.

$(1 + 8x)^2$

B. $(1 + 8x)^2$
Solution:
$1 + 16x + 64x^2$
$= (1)2 + 2(1) (8x) + (8x)^2 = (1 + 8x)^2$

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