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Q.
The expression (11.98 * 11.98 + 11.98 * (x) + 0.02 * 0.02) will be a perfect square for x equal to :
A.
0.01
B.
0.02
C.
0.03
D.
0.04
View Answer
Correct choice: D
Explanation:
Given = (11.98)^2 + (0.02)^2 + 11.98 * x. For the given expression to be a perfecr square, we must have 11.98 * x = 2 * 11.98 * 0.02 => x = 0.04
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