if x+y =3 and then the value of (x²+y²) is :

If 9x² + y² = 37 and xy = 2, x, y>0, then the value of (27x³+ y³) is:

 If 3x²-5x+1=0, then the value of ( ) is 

What is the value of a²+b²+c²-2ab-2bc+2ca?

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient=double the remainder. If the remainder is 80 then the value of x is

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 21x² + 10x + 1 = 0
 (ii) 24y²+ 26y + 5 = 0

Directions: In each of these questions, two equations (i) and (ii) are given, you have to solve both the equations and give answer accordingly.

(i) 12x² + 11x + 2 = 0
(ii) 12y²+ 7y + 1 = 0

If P = 99, then the value of P(P²+3P+3) is