Find the derivative of x^3+5x?

2 Answers
May 18, 2018

#3x^2+5#

Explanation:

#"differentiate each term using the "color(blue)"power rule"#

#•color(white)(x)d/dx(ax^n)=nax^(n-1)#

#rArrd/dx(x^3+5x)#

#=3x^((3-1))+5x^0=3x^2+5#

May 19, 2018

#3x^2+5#

Explanation:

Use the power rule, which states that,

#d/dx(a^x)=xa^(x-1)#

#:.=3x^(3-1)+5x^(1-1)#

#=3x^2+5x^0#

#=3x^2+5#