" If "x" be real then "2x^(2)+5x-3>0" if "

If x is real and 2x^(2)-4x+5>0, then x lies in the interval

Check the validity of the compound statement :If x be a real number such that 2x^3+5x=0 , then x=0" by contrapositive method

Which of the following are the real values of x that satisfy the equation 2x ^(2) -5x -2=0 ?

Find the domain of the real function (2x^(2)-5x+7)/((x-1)(x-2)(x-3))

Check the validity of the following compound statement using Direct Method If x is a real number such that 2x^(3)+5x=0, "then "x=0

Check the validity of the following compound statement using Contradiction Method If x is a real number such that 2x^(3)+5x=0, "then "x=0

Check the validity of the following compound statement using Contrapositive Method If x is a real number such that 2x^(3)+5x=0, "then "x=0

The number of real roots of the equation 2x^(4) + 5x^(2) + 3 = 0 , is