If 2x-1/{2x}=6, then the value of x^2+1/{16^2} is

RRB Junior Engineer Stage 1 Model Papers 7

Question : 29 of 100

Marks: +1, -0

2x-1/{2x}=6

, then the value of

x^2+1/{16^2}

Solution:

2x-1/{2x}=6

=x-1/{4x}=3

[on dividing by 2]

=x^4+1/{16x^2}-2×x×1/{4x}=9

[On Squaring]

=x^4+1/{16x^2}=9+1/2=19/2

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