If `a in [-5,7],` the minimum value of the expression `a^2 – 16a + 70` is........... (i) `6` (ii)`7` (iii)`70` (iv) `175`

If A=[[1,-5,70,7,911,8,9]] then the value of tra is

Find the value of the determinant |(5,3),(-7,0)|

Find the maximum or minimum values of the following expressions i) 2x -7 – 5x^(2) ii) 3x^(2)+2x+11 iii) ax^(2)+bx+a, a,b in R, a != 0 iv) x^(2)-x+7

Find the maximum and minimum values of the following expressions. (i) 3costheta+5sin(theta-pi/6) (ii) 4sintheta-3costheta+7

Factorize each of the following expressions : (i) a^6-b^6 (ii) a^6+b^6 (iii) a^7+a b^6

Median of the numbers 4,4,5,7,6,7,7,3,12 is (i) 4 (ii) 5 (iii) 6 (iv) 7

Write the first five multiples of each of the following numbers . (i) 17 , (ii) 23, (iii) 65, (iv) 70