Question and Answers Forum |
AllQuestion and Answers: Page 1137 |
![]() |
![]() |
![]() |
![]() |
Mr Peter has 4 children. x are in class C and y are in class D. x≥1 and y≥1. Show that the number of possibility to choose at random and simultaneous 2 children in same class verify this equation p(x)=x^2 −4x+6 |
∫sin^4 x∙cos^5 xdx=? |
If 5,6,11,17,28,45,73,x,y,z then the value of x,y,z?__ (a) 118,192,309 (b) 117,191,310 (c) 117,191,308 (d) 118,192,310 (e) 118,191,309 |
![]() |
![]() |
if sin14=x then cos^2 22−cos^2 8=? |
![]() |
Given x_1 +x_2 +x_3 = 0 , y_1 + y_2 +y_3 = 0 and x_1 y_1 + x_2 y_2 + x_3 y_3 = 0 . The value of (x_1 ^2 /(x_1 ^2 +x_2 ^2 +x_3 ^2 )) + (y_1 ^2 /(y_1 ^2 +y_2 ^2 +y_3 ^2 )) = ? |
![]() |
Trial version with additional colors is now available. |
![]() |
hello every one why do planets of the solar system revolve around the sun in an eliptical not circular orbit |
solve for all real value of x,y and z giving answer the form (x,y,z) { ((x(x+y)+z(x−y)= 4)),((y(y+z)+x(y−z) = −4)),((z(z+x)+y(z−x) = 5)) :} |
![]() |
∫ ((sec^3 x dx)/(√(tan x))) ? |
![]() |
![]() |
∫_0 ^1 ln(x) ln(1−x) dx ? |
developp at fourier serie f(x) =(1/(cos^2 x −3cosx +2)) |
1) developp at fourier serie f(x)=ln(sinx) 2) developp at fourier serie g(x)=ln(cosx +sinx) 3)developp at fourier seri e h(x) =ln(cosx +2sinx) |
![]() |
let a_n the sequence wich verify a_n +a_(n+1) =(((−1)^n )/n^2 ) calculate Σ_(n=1) ^∞ a_n x^n |
Pg 1132 Pg 1133 Pg 1134 Pg 1135 Pg 1136 Pg 1137 Pg 1138 Pg 1139 Pg 1140 Pg 1141 |