Find the value of 36−12\displaystyle 36^{-\frac{1}{2}}36−21
Practise OCR GCSE Maths Fractional and Negative Indices with exam-style questions for Foundation and Higher tier. 128 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.