" 5."2x^(2)+x-4=0

Find the equation whose roots are 2 times the roots of x^(5)+2x^(2)-4x+1=0

One solution of x^(3)+5x^(2)-2x-4=0 is x=1. Which of the following is another solution?

Determine the nature of the roots of the following quadratic equations: 2x^(2)+x-1=0x^(2)-4x+4=0x^(2)+x+1=04x^(2)-4x+1=02x^(2)+5x+5=0

Find the nature of the roots of the following quadratic equations: (i) 2x^(2)-8x+5=0" "(ii)" "3x^(2)-2sqrt(6)x+2=0 (iii) 5x^(2)-4x+1=0" "(iv)" "5x(x-2)+6=0 (v) 12x^(2)-4sqrt(15)x+5=0" "(vi)" "x^(2)-x+2=0

lim _( xto 2) ( x^(2) - 5x+ 6)/( x^(2) -4) ( ( 0 )/( 0 ) " form ")

If (2a-5)x^(2)-4x-15=0 and (3a-8)x^(2)-5x-21=0} have equal root then

The number of solutions of the equation log _((x + 1)) ( 2x ^(2) + 7x + 5) + log _( ( 2x + 5)) (x +1) ^( 2) -4 =0, x gt 0, is ______.

The biquadratic equation, two of whose roots are 1+i , 1-sqrt(2) is A) x^(4)-4x^(3)+5x^(2)-2x-2=0 B) x^(4)-4x^(3)-5x^(2)+2x+2=0 C) x^(4)+4x^(3)-5x^(2)+2x-2=0 D) x^(4)+4x^(3)+5x^(2)-2x+2=0