Question

2-50x²? factories
$2 - 50x2$
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Answer 1

Answer:

So, we can say that the square root of 19 is 4.35889 with an error smaller than 0.001 (in fact the error is 0.0000011211). this means that the first 5 decimal places are correct. Just to compare, the returned value by using the javascript function 'Math. sqrt(19)' is 4.358898943540674

Answer 2

Answer

Given : 2−50x2

By taking 2 as common 

2−50x2=2(1−25x2)

We can write it as 

2−50x2=2[12−(5x)2]

Based on the equation a2−b2=(a+b)(a−b)

We get,

2−50x2=2(1+5x)(1−5x)