At 20:03, you made a mistake in writing the equation. Correct equation is 3k + 3 = 5, which means k= 2/3. The incorrect equation is 3k + 5 = 3 which provides k = -2/3 which is the incorrect value according to the mark scheme of May/June 2017 P-22 Q 12(iv).
@@fanta.k.camara6537 The answer of logarithm was I think 6561. Product of r and s. I made a silly mistake in the last part of combination. I am in variant 2 so I have to sit for paper 12 and 22. For which variant do you sit For?
sir plz make a video for AS level binomial theorem of questions like these; J18/P1/Q1 , N18/P1/Q1 , N19/P1/Q1 , J20/P1/Q1 PART B. Also kindle post this video before 14 oct because we have our assessment. thank you
