Examlex
Express gcd(450, 120) as a linear combination of 120 and 450.
Triskaidekaphobia
The fear of the number thirteen, often associated with superstition or cultural beliefs about bad luck.
Prefrontal Cortex
The part of the brain located at the front of the frontal lobe, involved in complex behaviors such as planning, decision making, and moderating social behavior.
Obsessive-compulsive Disorder
A mental disorder characterized by recurrent, unwanted thoughts (obsessions) and/or repetitive behaviors (compulsions).
Thalamus
A part of the brain located in the center of the brain, acting as a relay station for sensory and motor signals to the cerebral cortex.
Q1: Find the sum 1/4+1/8+/16+1/32+... .
Q4: What is the probability that a fair
Q10: What is the covering relation of
Q11: Use mathematical induction to prove that
Q22: <span class="ql-formula" data-value="\left( 1 + x ^
Q28: <span class="ql-formula" data-value="\text { Find the transitive
Q84: Find the hexadecimal expansion of (ABC)16+(2F5)16.
Q89: <span class="ql-formula" data-value="a _ { n }
Q109: Here is a sample proof that
Q132: <span class="ql-formula" data-value="\text { There is a