he expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perf

Question

he expression (11.98 x 11.98 + 11.98 x x + 0.02 x 0.02) will be a perfect square for xequal to:

Options:

A . 0.02

B . 0.2

C . 0.04

D . 0.4

Answer: Option C

Given expression = (11.98)² + (0.02)² + 11.98 x x.

For the given expression to be a perfect square, we must have

11.98 x x = 2 x 11.98 x 0.02 or x = 0.04

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