H=4f+gH = 4f + gH=4f+g
Work out the value of H H\,H when f=kf = kf=k and g=−2g = -2g=−2
Give your answer in terms of kkk.
296 exam-style questions on Eduqas GCSE Maths Substitution. Each one has a worked solution and a mark scheme showing where the marks go.