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Given the function 
y=(2x^(3)-1)(3x^(2)-3+x), find 
(dy)/(dx) in any form.
Answer: 
(dy)/(dx)=

Given the function y=(2x31)(3x23+x) y=\left(2 x^{3}-1\right)\left(3 x^{2}-3+x\right) , find dydx \frac{d y}{d x} in any form.\newlineAnswer: dydx= \frac{d y}{d x}=

Full solution

Q. Given the function y=(2x31)(3x23+x) y=\left(2 x^{3}-1\right)\left(3 x^{2}-3+x\right) , find dydx \frac{d y}{d x} in any form.\newlineAnswer: dydx= \frac{d y}{d x}=
  1. Product Rule Explanation: To find the derivative of the given function, we will use the product rule, which states that the derivative of a product of two functions is the derivative of the first function times the second function plus the first function times the derivative of the second function. Let's denote the first function as u(x)=2x31u(x) = 2x^3 - 1 and the second function as v(x)=3x23+xv(x) = 3x^2 - 3 + x.
  2. Derivative of u(x)u(x): First, we find the derivative of u(x)u(x) with respect to xx. The derivative of 2x32x^3 is 6x26x^2, and the derivative of a constant (1)(-1) is 00. So, the derivative of u(x)u(x), denoted as u(x)u'(x), is 6x26x^2.
  3. Derivative of v(x)v(x): Next, we find the derivative of v(x)v(x) with respect to xx. The derivative of 3x23x^2 is 6x6x, the derivative of 3-3 is 00, and the derivative of xx is 11. So, the derivative of v(x)v(x), denoted as v(x)v(x)00, is v(x)v(x)11.
  4. Apply Product Rule: Now, we apply the product rule. The derivative of yy with respect to xx, denoted as dydx\frac{dy}{dx}, is given by u(x)v(x)+u(x)v(x)u'(x)v(x) + u(x)v'(x). Substituting the derivatives we found earlier, we get dydx=(6x2)(3x23+x)+(2x31)(6x+1)\frac{dy}{dx} = (6x^2)(3x^2 - 3 + x) + (2x^3 - 1)(6x + 1).
  5. Simplify Expression: We now need to simplify the expression. First, we distribute 6x26x^2 across the terms in the first part: (6x2)(3x2)+(6x2)(3)+(6x2)(x)(6x^2)(3x^2) + (6x^2)(-3) + (6x^2)(x). This simplifies to 18x418x2+6x318x^4 - 18x^2 + 6x^3.
  6. Combine Like Terms: Next, we distribute (2x31)(2x^3 - 1) across the terms in the second part: (2x3)(6x)+(2x3)(1)(1)(6x)(1)(1)(2x^3)(6x) + (2x^3)(1) - (1)(6x) - (1)(1). This simplifies to 12x4+2x36x112x^4 + 2x^3 - 6x - 1.
  7. Combine Like Terms: Next, we distribute (2x31)(2x^3 - 1) across the terms in the second part: (2x3)(6x)+(2x3)(1)(1)(6x)(1)(1)(2x^3)(6x) + (2x^3)(1) - (1)(6x) - (1)(1). This simplifies to 12x4+2x36x112x^4 + 2x^3 - 6x - 1.Now, we combine like terms from both parts of the derivative. Adding 18x418x^4 to 12x412x^4 gives 30x430x^4. Adding 6x36x^3 to 2x32x^3 gives 8x38x^3. We already have 18x2-18x^2. And finally, we combine (2x3)(6x)+(2x3)(1)(1)(6x)(1)(1)(2x^3)(6x) + (2x^3)(1) - (1)(6x) - (1)(1)00 and (2x3)(6x)+(2x3)(1)(1)(6x)(1)(1)(2x^3)(6x) + (2x^3)(1) - (1)(6x) - (1)(1)11. So, the simplified form of the derivative is (2x3)(6x)+(2x3)(1)(1)(6x)(1)(1)(2x^3)(6x) + (2x^3)(1) - (1)(6x) - (1)(1)22.

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