A work can be completed when A works for 21 days and then B works for 16 days. Same work can also be
completed when A works for ...
Find 𝑑^2𝑦 𝑑𝑥^2 when 𝑥 = 𝑡^3 + 3𝑡^2 and 𝑦 = 𝑡^4 -8t^2
17. If pº = q = Pand=, then show that p(r-q) = q(p-r).
b = 40 + 7E/50 make E the subject
13. If 22a = 34b = = 5 = 3 30abc, then find the value of ac + 2bc + 4ab.
P(x)=m(x^4)+n(x^3)+1 when x=1 double multiplicity
A∩[(B∩(A∪B))∪(A∪(A∩B))]
calcular m y n, de modo que P(x)=mx^4+nx^3+1 admita la raiz x=1 de multiplicidad doble
Y=( $\sqrt{\}$ 0,87^2-Y2)/0,25