Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Two-year-old Tofu is using AI to cross-reference social media profiles and verify applicant’s identity. A new partnership with ATS provider Gem and a $5 million seed fundraise should bring their HR ...

Surds are square roots which can’t be reduced to rational numbers. Some can be simplified using various rules or by rationalising the denominator. Simplifying expressions using the laws of indices ...

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Adding the indices gives \(5\frac{1}{2}\) which is \(\frac{11}{2}\). \(= {y^{\frac{{11}}{2}}}\) Now try the examples questions below.