20. A school decided different types …

20. A school decided different types of educational tours for the students of Class IX, 1/12th times the square of the total number of students planned to visit historical monuments, 7/12th times the number of students planned to visit old age homes while 15 students decided to teach poor children. If above information is expressed in the form of a polynomial x2 + 7x + 15, then 12 12 (a) Write the type of polynomial (i) cubic (ii) linear (iii) quadratic (iv) Biquadratic (b) Write the co-efficient of ‘x’ in the polynomial (i) 9/13 (ii) 7/12 (iii) 11/12 (iv) 1/12 (c) Write the constant term (i) 1/12 (ii) 11/2 (iii) 7/12 (iv) 15 (d) Value of P(x) at x = 2 (i) 33/2 (ii) 11/2 (iii) 22/3 (iv) 14/3 (e) Value of P(x) at x = – 1 (i) 19/2 (ii) 29/2 (iii) 9/2 (iv) 39/2 ​

Prove that the sum of all the three interior angles of a triangle is 180 degree

X³-12x²+39x-28

Ndovdgdhveieb

Cost of a pen is two and half times the cost of a pencil. Express the situation as a linear equation in two variables

The polynomial of the type ax²+bx+c,a=0 is called

3√2×4√2×12√32

2x+5y

sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

Ch-1 introduction

What is 38747484±393884747