255 prompts matching "Deciding whether a geometric series converges"
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 factor theorem for a divisor of the form ax minus b
Act as my SS3 Further Mathematics tutor. Work a question on the factor theorem for a divis
Explain Back: Forming a cubic equation whose three roots are given
I have just studied forming a cubic equation whose three roots are given in my SS3 Further
Spot My Mistake: The relations between roots and coefficients for a quartic
Act as my SS3 Further Mathematics tutor. Work a question on the relations between roots an
Explain Back: Solving an inequality that involves a modulus
I have just studied solving an inequality that involves a modulus in my SS3 Further Mathem
Spot My Mistake: Showing the solution of an inequality on a number line
Act as my SS3 Further Mathematics tutor. Work a question on showing the solution of an ine
Explain Back: Arrangements in which two particular objects must stay together
I have just studied arrangements in which two particular objects must stay together in my
Spot My Mistake: Arrangements in which two particular objects must be kept apart
Act as my SS3 Further Mathematics tutor. Work a question on arrangements in which two part
Explain Back: Choosing a committee with a stated number from each of two groups
I have just studied choosing a committee with a stated number from each of two groups in m
Spot My Mistake: The identity that n choose r equals n choose n minus r
Act as my SS3 Further Mathematics tutor. Work a question on the identity that n choose r e
Explain Back: The compound angle formula for tan of A plus B
I have just studied the compound angle formula for tan of A plus B in my SS3 Further Mathe
Spot My Mistake: The double angle formula for sine
Act as my SS3 Further Mathematics tutor. Work a question on the double angle formula for s
Explain Back: Solving a quadratic in sin x
I have just studied solving a quadratic in sin x in my SS3 Further Mathematics class. Let
Spot My Mistake: Solving an equation by first applying a Pythagorean identity
Act as my SS3 Further Mathematics tutor. Work a question on solving an equation by first a
Explain Back: The effect of b in y equals sin bx on the period
I have just studied the effect of b in y equals sin bx on the period in my SS3 Further Mat
Spot My Mistake: The effect of c in y equals sin x plus c
Act as my SS3 Further Mathematics tutor. Work a question on the effect of c in y equals si
Explain Back: The equation of the line through two given points
I have just studied the equation of the line through two given points in my SS3 Further Ma
Spot My Mistake: The general form ax plus by plus c equals nought
Act as my SS3 Further Mathematics tutor. Work a question on the general form ax plus by pl
Spot My Mistake: The equation of the tangent to a circle at a point on it
Act as my SS3 Further Mathematics tutor. Work a question on the equation of the tangent to
Explain Back: The eccentricity of an ellipse
I have just studied the eccentricity of an ellipse in my SS3 Further Mathematics class. Le
Spot My Mistake: The foci of an ellipse
Act as my SS3 Further Mathematics tutor. Work a question on the foci of an ellipse with on