Differentiate the following functions with respect to x:
(2x2 – 3)sin x
Let, y = (2x2 – 3) sin x
We have to find dy/dx
As we can observe that y is a product of two functions say u and v where,
u = 2x2 – 3 and v = sin x
∴ y = uv
As we know that to find the derivative of product of two function we apply product rule of differentiation.
By product rule, we have –
…equation 1
As, u = 2x2 – 3
∴ …equation 2 {∵
}
As, v = sin x
…equation 3 {∵
}
∴ from equation 1, we can find dy/dx
∴
⇒ {using equation 2 & 3}
Hence,