Tag: 2017/2018 WAEC WASSCE FURTHER MATHS/MATHEMATICS (Expo) REAL ANSWERS

WAEC 2017/2018 FURTHER MATHEMATIC QUESTIONS/ ANSWERS/EXPO/RUNS

4) (x^2+5x+1)sqroot(2x^3+mx^2+nx+11)=(2x-5) remainder:30x+16 (x^2+5x+1)(2x-5) =2x^3+10x^2+2x-5x^2-25x-5 =2x^3+10x^2-5x^2-25x-5 =2x^3+5x^2-23x+30x+16-5 =2x^3+5x^2+7x+11 Therefore m=5, n=7 ================= (5) USING THE BINOMIAL PROBABILITY FUNCTION...