x = 3 and 2x + z = 4 By substituting the value of x 2(3) + z = 4 So we get z = 4 – 6 = -2 Similarly 3x – y = 2 By substituting the value of x 3(3) – y = 2 So we get y = 9 – 2 = 7 We know that 3y – w = 7 By substituting the value of
Find the value of k, if x - 1 is a factor of 4x^3 + 3x^2 -4x + k. 03:40 Factorise 6x^2 + 17x + 5 by splitting the middle term method. 03:19 Factorise y^2 - 5y + 6 by using the Factor Theorem. 01:13 Factorise x^3 - 23x^2 + 142x - 120. 02:33 Find the follo...
y = sec(x) tan(x). Find dy/dx. Find dy/dx for y = (2x+1)^2 (3x)^2. If y = (x + 1)(x+2)(x+3)(x+5) then find dy/dx at x = 0. Find dy/dx of y = sec^(-1) x^2. Find dy/dx when x(t) = 3^(te^t), y(t) = 4t + et. ...
Finding Derivatives of a Function | Overview & Calculations from Chapter 20/ Lesson 1 115K Understand what derivative calculus is and how to find the derivative of a function. Learn the derivative rules, and practice taking derivatives by following exam...
If g(x) = e^{f(x)} , then find g (x) for f(x) = 4+9x^2 . Find f'(x): f(x) = sin(1/x^2) Find f_x and f_y for f(x,y) = 4x/5y - 7y/3x. Find R5 for f(x) = x^2 + 2x on [0,10] . Find f'(x). f(x) = 1 over x - sqrt x + 7^x If f(...
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结果1 题目 If EF=3x-20, FG=4x-17 and EG=26, find the values of x, EF, and FG. The drawing is not to scale. ( ) A. x=9, EF=7, FG=19 B. x=3, EF=-11, FG=-5 C. x=9, EF=47, FG=53 D. x=3, EF=7, FG=19 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
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if f(x)=3x^(ln(x)) find f'(7) There are 4 steps to solve this one. Solution Share Step 1 Since 3 is constant with respect to x , the derivative of 3xln(x) with respect to x is 3ddx[xln(x)] . 3ddx[xln(x)] Use the properties of...View the full answe...
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