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MATH / Define the operation star as Kstar L = (K+L)(K-L) for all integers K and L. What is the value of 6star5?

Problem

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problem

Define the operation $\star$ as $K\star L = (K+L)(K-L)$ for all integers KK and LL. What is the value of $6\star5$?
Plain-text mathematical notation (without MathML)
Define the operation $\star$ as $K\star L = (K+L)(K-L)$ for all integers K and L. What is the value of $6\star5$?
Original LaTeX notation
Define the operation $\star$ as $K\star L = (K+L)(K-L)$ for all integers $K$ and $L$. What is the value of $6\star5$?

level

Level 2

type

Algebra

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Source and history

task_id
11558e96-25d5-554d-bafa-13e0a63b05dd
task_key
algebra--test--11558e96-25d5-554d-bafa-13e0a63b05dd
task_revision_id
1
config / split
algebra / test

Official source

initial import