Math Chapter Wise question with answer

Q01 If a, b are positive real numbers and a + b = 4, then the minimum value of 2 2 1 1 a + + b + a b is.......... English · DSSSB PGT 2021 Q02 If a, b, c are positive real numbers and 2a+3b+6c = 3, then the minimum value of a2 +b2 +c2 is: English · DSSSB PGT 2021 Q03 The minimum number of imaginary roots of the equation x7 – 3x4 + 2x3 – 1 = 0 is: English · UP PCS (Pre) 2000 Q04 The value of p for which the sum of the squares of the roots of the equation x2 –(p–2)x–p+1=0 is minimum, will be English · LT 2018 Q05 For what value fo x, the value of expression x2 – 4x + 9 is minimum? English · TGT 1999 Q06 A pair of linear equation in two variables x and y 1 1 1 2 2 2 b x c y a,c x a y b + = + = + = + = + = + = + = + =... English · DSSSB 23 SEP 2018 (9 AM-11 AM)