" 9."sqrt(2)x^(2)+7x+5sqrt(2)=0quad [" CBSE "2013," '17"

(1) sqrt(2)x^(2)+7x+5sqrt(2)=0

2sqrt(3)x^(2)+x-5sqrt(3)=0

Solve sqrt(2)x^(2)+7x+5sqrt(2)=0

7x^(2)+2sqrt(14)x+2=0

sqrt(2)cos^(2)7x-cos7x=0

17int sqrt(5-2x+x^(2))dx

Find the discriminant of each of the following equations: (i) 2x^(2)-7x+6=0" "(ii)" "3x^(2)-2x+8=0 (iii) 2x^(2)-5sqrt(2)x+4=0" "(iv)" "sqrt(3)x^(2)+2sqrt(2)x-2sqrt(3)=0 (v) (x-1)(2x-1)=0" "(vi)" "1-x=2x^(2)

(sqrt(2x^(2)+15x-17))/(10-x)>=0

sqrt(3x^(2)-7x-30)-sqrt(2x^(2)-7x-5)=x-5

Solve for x, when sqrt(2x^2 + 9) + sqrt(2x^2 - 9) = 9 + 3sqrt7