Question
The expression (11.98*11.98+11.98*x+0.02*0.02) will be a perfect square for x equal to:
Answer: Option C
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Given expression=(11.98)2+(0.02)2+11.98*x.
For the given expression to be a perfect square, we must have
11.98*x=2*11.98*0.02 or x=0.04.
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