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which of the following are quadratic equation in x? √2x²+7x+5√2
Given, 2x²+7x+5√2=0 Highest Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.
Given, 2x²+7x+5√2=0
Highest Degree 2
And it is of the form ax²+bx+c=0
See lessTherefore it is a quadratic equation.
which of the following are quadratic equation in x? x²-3x-√x+4=0
Hope it helps you.
Hope it helps you.
See lesswhich of the following are quadratic equation in x? x-6/x=3
Given, x−6/x=3 Simply as x²−3x−6=0 Degree 2 And it is of the form ax²+bx+c=0 Therefore it is a quadratic equation.
Given, x−6/x=3
Simply as x²−3x−6=0
Degree 2
And it is of the form ax²+bx+c=0
See lessTherefore it is a quadratic equation.
which of the following are quadratic equation in x? x+2/x=x²
Given, x+2/x=x² Simplify above equation x³−x²=0 Degree 3 And it is not of the form ax²+bx+c=0 Therefore it is not a quadratic equation.
Given, x+2/x=x²
See lessSimplify above equation
x³−x²=0
Degree 3
And it is not of the form ax²+bx+c=0
Therefore it is not a quadratic equation.
which of the following are quadratic equation in x? 2x²+5x/2-√3
Clearly 2x² + 5/2 x - √3 = 0 is a quadratic polynomial 2x² + 5/2 x - √3 = 0 is a quadratic equation.
Clearly 2x² + 5/2 x – √3 = 0 is a quadratic polynomial
2x² + 5/2 x – √3 = 0 is a quadratic equation.
See lessWhich of the following are quadratic equation in x? x²-x+3=0
x² - x +3 =0 is a quadratic polynomial x² - x +3 =0 is a quadratic equation.
x² – x +3 =0 is a quadratic polynomial
x² – x +3 =0 is a quadratic equation.
See lesswhich of the following are quadratic equation in x? x²-1/x²=5
x²+1/x²=5 (x4+1)/x²=5 x4+1=5x² x4−5x²+1=0 It is not of the form ax²+bx+c=0 Therefore,the given equation is not a quadratic equation.
x²+1/x²=5
(x4+1)/x²=5
x4+1=5x²
x4−5x²+1=0
It is not of the form ax²+bx+c=0
See lessTherefore,the given equation is not a quadratic equation.
which of the following are quadratic equation in x? (x+2)³=x³-8
(x+2)³=x³−8 x³+8+6x²+12x=x³−8 −6x²+12x+16=0 Degree =2 It is a quadratic equation
(x+2)³=x³−8
x³+8+6x²+12x=x³−8
−6x²+12x+16=0
Degree =2
It is a quadratic equation
See lesswhich of the following are quadratic equation in x? (2x+3)(3x+2)=6(x-1)(x-2)
(2x+3)(3x+2)=6(x−1)(x−2) Simplify above equation 6x²+4x+9x+6=6x²−12x−6x+12 31x−6=0 Degree 1 Not a quadratic equation
(2x+3)(3x+2)=6(x−1)(x−2)
Simplify above equation
6x²+4x+9x+6=6x²−12x−6x+12
31x−6=0
Degree 1
Not a quadratic equation
See lessWhich of the following is a quadratic equation in x? (x+1/x)²=2(x+1/x)+3
(x4+2+1/x4=(2x²+2)/x+3 (x4+2x²+1)x=x²(2x²+2)+3
(x4+2+1/x4=(2x²+2)/x+3
(x4+2x²+1)x=x²(2x²+2)+3
See less