Find dy/dx of y=x^2 + 2x+1

We differentiate each term individually with respect to x. the way we differentiate powers of x is: x^n goes to nx^(n-1). So x^2 would become 2x, 2x would be just 2 as x^0 is 1 and a constant would just disappear. Therefore, dy/dx=2x+2.

VM

Related Maths GCSE answers

All answers ▸

Expand (2x+3) (3x-1)


Expand and simplify the following: 3(z + 6) – 2(4z + 1)


A linear sequence starts a + 2b, a +6b, a + 10b. The 2nd has a value of 8 and the 5th term has a value of 44. What are the values of a and b?


Andrew buys a Laptop for £600 which includes 20% VAT. What is the price of the Laptop without VAT?