Question

Which of the following is irrational ? a) ✓4/✓9 b) ✓12/✓3 c) ✓7 d) ✓81 6. Degree of the zero polynomial is__________ a) 0 b) 1 c) any natural number d) not defined 7. If x+1 is a factor of the polynomial 2x² + kx, then the value of 'k' is___________ a) -3 b) 4 c) 2 d) -2 8. If P (x) = x + 3, then P (x) + P (-x) is equal to_________ a) 3 b) 2x c) 0 d) 6 9. ✓2 is a polynomial of degree_________ a) 2 b) 0 c) 1 d) ½ ​

Answer 1

Answer:

Root 7 is an irrational number