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- Question 1 of 12
##### 1. Question

**How to create three symbolic variables a, b and c ?**CorrectIncorrect - Question 2 of 12
##### 2. Question

**Let, var = sym(pi). Which one is not correct ?**CorrectIncorrect - Question 3 of 12
##### 3. Question

**simplify(sin(x)^2+cos(x)^2) = ?**CorrectIncorrect - Question 4 of 12
##### 4. Question

**Let, f1 = 2*x + y^2; f2 = f1 + 3;****subs(f1,[x,y],[1,1]) = ?**CorrectIncorrect - Question 5 of 12
##### 5. Question

**Let, f(a,b) = sec(a+b)^2 – tan(a+b)^2; f(rand(1,1),rand(1,1))?**CorrectIncorrect - Question 6 of 12
##### 6. Question

**Look at the grading system function****f(x) = piecewise(40<x<60, 2, 60<x<80, 3, 80<x, 4, 0)****subs(f,x,33) = ?**CorrectIncorrect - Question 7 of 12
##### 7. Question

**Let,****syms x a b c****eq = a*x^2 + b*x +c == 0****solve(eq,x,’Real’,true,’ReturnConditions’,true) will return –**CorrectIncorrect - Question 8 of 12
##### 8. Question

**Which function is used to plot equation ?**CorrectIncorrect - Question 9 of 12
##### 9. Question

**Which equation solving with ‘solve’ function will generate parameters?**CorrectIncorrect - Question 10 of 12
##### 10. Question

**What is true when solving numerically (x-3)(x-4)(x-8) = 0 ?**CorrectIncorrect - Question 11 of 12
##### 11. Question

**Which one is not true about linprog function?**CorrectIncorrect - Question 12 of 12
##### 12. Question

**How can you solve non linear optimization problem?**CorrectIncorrect