Question

 x^4+x^-4=36 find value of x

I want some explanation in video format.

I want some explanation in video format.

y=log(√x+1/√x)^2 prove (1+x)^2y"+2(x+1)y'=2x

LESCO Engineering produces chairs and tables. Each table takes four hours of labour from the carpentry department and two hours of labour from the finishing department. Each chair requires three hours of carpentry and one hour of finishing. During the current week, 240 hours of carpentry time are available and 100 hours of finishing time. Each table produced gives a profit of E70 and each chair a profit of E50. How many chairs and tables should be made in order to maximize profit?

y=log(√x+1/√x)^2 prove (1+x)^2y"+2(1+x)y'=2x

Write next term of a.p?8,?18?32...

A manufacturing plant makes two types of inflatable boats, a two-person boat and a fourperson boat. Each two-person boat requires 0.9 labour hours from the cutting department and 0.8 labour hours from the assembly department. Each four-person boat requires 1.8 labour hours from the cutting department and 1.2 labour hours from the assembly department. The maximum labour hours available per month in the cutting department and the assembly department are 864 and 672 respectively. The company makes a profit of E25 on each twoperson boat and E40 on each four-person boat. Use the graphical method to find the maximum profit.

Discuss the continuity of the following function

f(x)=sin x

important questions of linear equarion class 10