507 prompts matching "Showing that a statement is a contradiction"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Spot My Mistake: The decimal expansion of an irrational number, and why it never repeats
Act as my SS1 Further Mathematics tutor. Work a question on the decimal expansion of an ir
Final Revision: Approximating a surd to three decimal places
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
Spot My Mistake: Why root 8 and root 2 turn out to be similar
Act as my SS1 Further Mathematics tutor. Work a question on why root 8 and root 2 turn out
Spot My Mistake: Dividing one surd by another
Act as my SS1 Further Mathematics tutor. Work a question on dividing one surd by another w
Final Revision: Simplifying a fraction whose numerator and denominator are both surds
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of s
Spot My Mistake: Simplifying the denominator once the conjugate has been used
Act as my SS1 Further Mathematics tutor. Work a question on simplifying the denominator on
Final Revision: Checking a conjugate answer by multiplying back
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Spot My Mistake: A binary operation defined on a set of three elements
Act as my SS1 Further Mathematics tutor. Work a question on a binary operation defined on
Spot My Mistake: Reading closure off an operation table
Act as my SS1 Further Mathematics tutor. Work a question on reading closure off an operati
Spot My Mistake: Testing (a*b)*c against a*(b*c)
Act as my SS1 Further Mathematics tutor. Work a question on testing (a*b)*c against a*(b*c
Spot My Mistake: Finding the inverse of a given element
Act as my SS1 Further Mathematics tutor. Work a question on finding the inverse of a given
Final Revision: Identity and inverse together, and what they give the set
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of i
Final Revision: Evaluating a numerical expression using the index laws
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of e
Spot My Mistake: A negative fractional index
Act as my SS1 Further Mathematics tutor. Work a question on a negative fractional index wi
Final Revision: Converting an answer back out of index form
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Spot My Mistake: An indicial equation involving fractional bases
Act as my SS1 Further Mathematics tutor. Work a question on an indicial equation involving
Final Revision: Checking an indicial solution by substitution
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of c
Spot My Mistake: The logarithm of the base itself
Act as my SS1 Further Mathematics tutor. Work a question on the logarithm of the base itse
Spot My Mistake: Evaluating an expression using the laws of logarithms
Act as my SS1 Further Mathematics tutor. Work a question on evaluating an expression using
Final Revision: Proving a logarithmic identity from the laws
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of p