Question

plz solve this as fast as you can Q3​

Answer 1

Answer:

given that X=3+18=21

to find=(x^2)+1/2^2

=(21^2)+1/4

=(441*4+1)/4

=(1764+1)/4

=1765/4

hope this answer useful to you and pls make me brainlist pls

Answer 2

Hello Mate

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It's given that : x = 3 + 18 = 21

The equation whose value is to find out : x² + 1/2²

= x² + 1/2²

Applying the value of x i.e. 21

= 21² + 1/2²

= 441 + 1/4

= 1765/4

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Hope This Helps You!