Question

√[1+(x/169)]=14/13, then x is equal to:

Answer 1

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Answer 2

First we have to understand the relation between LHS & RHS. The key here is that 169 is the square of 13.

That gives us a lot of information. Denominators are equal. Now, the numerators should be equal. Also, if we leave the square root out, numerator should be equal to 14².

This analysis would take a few seconds.

Now, 169 + x = 196

which gives us x = 27