658 prompts matching "Explain why a complex number times its conjugate is real"
Showing only prompts that state their year. 35 more in this subject don't name one, so choose All years to see them.
Final Revision: A word problem that leads to an equation in surd form
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of a
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: 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
Spot My Mistake: A logarithm to base e, the natural logarithm
Act as my SS1 Further Mathematics tutor. Work a question on a logarithm to base e, the nat
Final Revision: Using change of base to prove a stated relation
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of u
Spot My Mistake: A sequence defined by a recurrence relation
Act as my SS1 Further Mathematics tutor. Work a question on a sequence defined by a recurr
Final Revision: Describing a sequence in words and then in symbols
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of d
Spot My Mistake: Finding the common difference from two given terms
Act as my SS1 Further Mathematics tutor. Work a question on finding the common difference
Spot My Mistake: The sum of an arithmetic progression with a negative common difference
Act as my SS1 Further Mathematics tutor. Work a question on the sum of an arithmetic progr
Final Revision: A savings problem modelled by an arithmetic progression
Act as my SS1 Further Mathematics tutor at the end of the term. Give me a rapid recap of a